11140525531 has 8 divisors (see below), whose sum is σ = 11727944720. Its totient is φ = 10553213952.

The previous prime is 11140525523. The next prime is 11140525541. The reversal of 11140525531 is 13552504111.

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 11140525531 - 2³ = 11140525523 is a prime.

It is a super-2 number, since 2×11140525531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11140525531.

It is not an unprimeable number, because it can be changed into a prime (11140525511) 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, 269371 + ... + 307963.

It is an arithmetic number, because the mean of its divisors is an integer number (1465993090).

Almost surely, 2^11140525531 is an apocalyptic number.

11140525531 is a deficient number, since it is larger than the sum of its proper divisors (587419189).

11140525531 is a wasteful number, since it uses less digits than its factorization.

11140525531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53805.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 11140525531 in words is "eleven billion, one hundred forty million, five hundred twenty-five thousand, five hundred thirty-one".