1055662201117 has 4 divisors (see below), whose sum is σ = 1084193611996. Its totient is φ = 1027130790240.

The previous prime is 1055662201093. The next prime is 1055662201123. The reversal of 1055662201117 is 7111022665501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 480652410681 + 575009790436 = 693291^2 + 758294^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055662201117 - 2¹⁵ = 1055662168349 is a prime.

It is a super-2 number, since 2×1055662201117² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 28531410841 = 1055662201117 / (1 + 0 + 5 + 5 + 6 + 6 + 2 + 2 + 0 + 1 + 1 + 1 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055662201147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14265705384 + ... + 14265705457.

It is an arithmetic number, because the mean of its divisors is an integer number (271048402999).

Almost surely, 2^{1055662201117} is an apocalyptic number.

It is an amenable number.

1055662201117 is a deficient number, since it is larger than the sum of its proper divisors (28531410879).

1055662201117 is an equidigital number, since it uses as much as digits as its factorization.

1055662201117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28531410878.

The product of its (nonzero) digits is 25200, while the sum is 37.

Adding to 1055662201117 its reverse (7111022665501), we get a palindrome (8166684866618).

The spelling of 1055662201117 in words is "one trillion, fifty-five billion, six hundred sixty-two million, two hundred one thousand, one hundred seventeen".