11956426575 has 12 divisors (see below), whose sum is σ = 19767958728. Its totient is φ = 6376760800.

The previous prime is 11956426543. The next prime is 11956426589. The reversal of 11956426575 is 57562465911.

11956426575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11956426575 - 2⁵ = 11956426543 is a prime.

It is a super-2 number, since 2×11956426575² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79709436 + ... + 79709585.

It is an arithmetic number, because the mean of its divisors is an integer number (1647329894).

Almost surely, 2^11956426575 is an apocalyptic number.

11956426575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11956426575 is a deficient number, since it is larger than the sum of its proper divisors (7811532153).

11956426575 is a wasteful number, since it uses less digits than its factorization.

11956426575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159419034 (or 159419029 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 51.

The spelling of 11956426575 in words is "eleven billion, nine hundred fifty-six million, four hundred twenty-six thousand, five hundred seventy-five".