1055555006113 has 4 divisors (see below), whose sum is σ = 1055561110420. Its totient is φ = 1055548901808.

The previous prime is 1055555006111. The next prime is 1055555006147. The reversal of 1055555006113 is 3116005555501.

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 349455957904 + 706099048209 = 591148^2 + 840297^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055555006113 - 2¹ = 1055555006111 is a prime.

It is a super-2 number, since 2×1055555006113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055555006111) 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, 2784978 + ... + 3141211.

It is an arithmetic number, because the mean of its divisors is an integer number (263890277605).

Almost surely, 2^{1055555006113} is an apocalyptic number.

It is an amenable number.

1055555006113 is a deficient number, since it is larger than the sum of its proper divisors (6104307).

1055555006113 is an equidigital number, since it uses as much as digits as its factorization.

1055555006113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6104306.

The product of its (nonzero) digits is 56250, while the sum is 37.

The spelling of 1055555006113 in words is "one trillion, fifty-five billion, five hundred fifty-five million, six thousand, one hundred thirteen".