1056156211005 has 16 divisors (see below), whose sum is σ = 1931257071744. Its totient is φ = 482814267840.

The previous prime is 1056156210959. The next prime is 1056156211013. The reversal of 1056156211005 is 5001126516501.

It is not a de Polignac number, because 1056156211005 - 2¹⁷ = 1056156079933 is a prime.

It is a super-2 number, since 2×1056156211005² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5029315186 + ... + 5029315395.

It is an arithmetic number, because the mean of its divisors is an integer number (120703566984).

Almost surely, 2^{1056156211005} is an apocalyptic number.

1056156211005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1056156211005 is a deficient number, since it is larger than the sum of its proper divisors (875100860739).

1056156211005 is a wasteful number, since it uses less digits than its factorization.

1056156211005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10058630596.

The product of its (nonzero) digits is 9000, while the sum is 33.

The spelling of 1056156211005 in words is "one trillion, fifty-six billion, one hundred fifty-six million, two hundred eleven thousand, five".