1056011005511 has 32 divisors (see below), whose sum is σ = 1348692584448. Its totient is φ = 802840883040.

The previous prime is 1056011005507. The next prime is 1056011005541. The reversal of 1056011005511 is 1155001106501.

It is not a de Polignac number, because 1056011005511 - 2² = 1056011005507 is a prime.

It is a super-2 number, since 2×1056011005511² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056011005501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2827256 + ... + 3178898.

It is an arithmetic number, because the mean of its divisors is an integer number (42146643264).

Almost surely, 2^{1056011005511} is an apocalyptic number.

1056011005511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1056011005511 is a deficient number, since it is larger than the sum of its proper divisors (292681578937).

1056011005511 is a wasteful number, since it uses less digits than its factorization.

1056011005511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352611.

The product of its (nonzero) digits is 750, while the sum is 26.

The spelling of 1056011005511 in words is "one trillion, fifty-six billion, eleven million, five thousand, five hundred eleven".