1056101011111 has 16 divisors (see below), whose sum is σ = 1074115252224. Its totient is φ = 1038243153024.

The previous prime is 1056101011103. The next prime is 1056101011183. The reversal of 1056101011111 is 1111101016501.

It is a cyclic number.

It is not a de Polignac number, because 1056101011111 - 2³ = 1056101011103 is a prime.

It is a super-2 number, since 2×1056101011111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056171011111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76727916 + ... + 76741678.

It is an arithmetic number, because the mean of its divisors is an integer number (67132203264).

Almost surely, 2^{1056101011111} is an apocalyptic number.

1056101011111 is a deficient number, since it is larger than the sum of its proper divisors (18014241113).

1056101011111 is a wasteful number, since it uses less digits than its factorization.

1056101011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19350.

The product of its (nonzero) digits is 30, while the sum is 19.

Adding to 1056101011111 its reverse (1111101016501), we get a palindrome (2167202027612).

The spelling of 1056101011111 in words is "one trillion, fifty-six billion, one hundred one million, eleven thousand, one hundred eleven".