1055556110051 has 4 divisors (see below), whose sum is σ = 1056857659704. Its totient is φ = 1054254560400.

The previous prime is 1055556110047. The next prime is 1055556110087. The reversal of 1055556110051 is 1500116555501.

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

It is a cyclic number.

It is not a de Polignac number, because 1055556110051 - 2² = 1055556110047 is a prime.

It is a super-2 number, since 2×1055556110051² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1055556109993 and 1055556110020.

It is not an unprimeable number, because it can be changed into a prime (1055556100051) 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, 650773610 + ... + 650775231.

It is an arithmetic number, because the mean of its divisors is an integer number (264214414926).

Almost surely, 2^{1055556110051} is an apocalyptic number.

1055556110051 is a deficient number, since it is larger than the sum of its proper divisors (1301549653).

1055556110051 is an equidigital number, since it uses as much as digits as its factorization.

1055556110051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301549652.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 1055556110051 in words is "one trillion, fifty-five billion, five hundred fifty-six million, one hundred ten thousand, fifty-one".