1055808056051 has 4 divisors (see below), whose sum is σ = 1206637778352. Its totient is φ = 904978333752.

The previous prime is 1055808056033. The next prime is 1055808056057. The reversal of 1055808056051 is 1506508085501.

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 1055808056051 - 2¹⁸ = 1055807793907 is a prime.

It is a super-2 number, since 2×1055808056051² (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 = 1055808055993 and 1055808056011.

It is not an unprimeable number, because it can be changed into a prime (1055808056057) 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, 75414861140 + ... + 75414861153.

It is an arithmetic number, because the mean of its divisors is an integer number (301659444588).

Almost surely, 2^{1055808056051} is an apocalyptic number.

1055808056051 is a deficient number, since it is larger than the sum of its proper divisors (150829722301).

1055808056051 is an equidigital number, since it uses as much as digits as its factorization.

1055808056051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150829722300.

The product of its (nonzero) digits is 240000, while the sum is 44.

The spelling of 1055808056051 in words is "one trillion, fifty-five billion, eight hundred eight million, fifty-six thousand, fifty-one".