11762020531 has 16 divisors (see below), whose sum is σ = 12455935488. Its totient is φ = 11083564800.

The previous prime is 11762020519. The next prime is 11762020561. The reversal of 11762020531 is 13502026711.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11762020531 - 2²⁹ = 11225149619 is a prime.

It is a super-2 number, since 2×11762020531² (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 11762020531.

It is not an unprimeable number, because it can be changed into a prime (11762020561) 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, 3291976 + ... + 3295546.

It is an arithmetic number, because the mean of its divisors is an integer number (778495968).

Almost surely, 2^11762020531 is an apocalyptic number.

11762020531 is a deficient number, since it is larger than the sum of its proper divisors (693914957).

11762020531 is a wasteful number, since it uses less digits than its factorization.

11762020531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 11762020531 in words is "eleven billion, seven hundred sixty-two million, twenty thousand, five hundred thirty-one".