1055784206157 has 8 divisors (see below), whose sum is σ = 1407728351040. Its totient is φ = 703848099360.

The previous prime is 1055784206069. The next prime is 1055784206167. The reversal of 1055784206157 is 7516024875501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1055784206157 - 2⁸ = 1055784205901 is a prime.

It is a super-2 number, since 2×1055784206157² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055784206167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1696057 + ... + 2233422.

It is an arithmetic number, because the mean of its divisors is an integer number (175966043880).

Almost surely, 2^{1055784206157} is an apocalyptic number.

It is an amenable number.

1055784206157 is a deficient number, since it is larger than the sum of its proper divisors (351944144883).

1055784206157 is an equidigital number, since it uses as much as digits as its factorization.

1055784206157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019043.

The product of its (nonzero) digits is 2352000, while the sum is 51.

The spelling of 1055784206157 in words is "one trillion, fifty-five billion, seven hundred eighty-four million, two hundred six thousand, one hundred fifty-seven".