11142564131 has 8 divisors (see below), whose sum is σ = 11264341440. Its totient is φ = 11021142528.

The previous prime is 11142564119. The next prime is 11142564161. The reversal of 11142564131 is 13146524111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11142564131 - 2¹⁸ = 11142301987 is a prime.

It is a super-2 number, since 2×11142564131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11142564094 and 11142564103.

It is not an unprimeable number, because it can be changed into a prime (11142564161) 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, 25691 + ... + 151476.

It is an arithmetic number, because the mean of its divisors is an integer number (1408042680).

Almost surely, 2^11142564131 is an apocalyptic number.

11142564131 is a deficient number, since it is larger than the sum of its proper divisors (121777309).

11142564131 is a wasteful number, since it uses less digits than its factorization.

11142564131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177853.

The product of its digits is 2880, while the sum is 29.

The spelling of 11142564131 in words is "eleven billion, one hundred forty-two million, five hundred sixty-four thousand, one hundred thirty-one".