1051315550256 has 40 divisors (see below), whose sum is σ = 2719255710960. Its totient is φ = 350005328896.

The previous prime is 1051315550251. The next prime is 1051315550287. The reversal of 1051315550256 is 6520555131501.

It is a super-2 number, since 2×1051315550256² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051315550251) 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, 13497885 + ... + 13575548.

It is an arithmetic number, because the mean of its divisors is an integer number (67981392774).

Almost surely, 2^{1051315550256} is an apocalyptic number.

1051315550256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1051315550256 is an abundant number, since it is smaller than the sum of its proper divisors (1667940160704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051315550256 is a wasteful number, since it uses less digits than its factorization.

1051315550256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27074253 (or 27074247 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 1051315550256 in words is "one trillion, fifty-one billion, three hundred fifteen million, five hundred fifty thousand, two hundred fifty-six".