11534420711 has 32 divisors (see below), whose sum is σ = 12958484736. Its totient is φ = 10263607200.

The previous prime is 11534420591. The next prime is 11534420713. The reversal of 11534420711 is 11702443511.

It is not a de Polignac number, because 11534420711 - 2²⁶ = 11467311847 is a prime.

It is a super-2 number, since 2×11534420711² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11534420713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18816041 + ... + 18816653.

It is an arithmetic number, because the mean of its divisors is an integer number (404952648).

Almost surely, 2^11534420711 is an apocalyptic number.

11534420711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11534420711 is a deficient number, since it is larger than the sum of its proper divisors (1424064025).

11534420711 is an equidigital number, since it uses as much as digits as its factorization.

11534420711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 11534420711 in words is "eleven billion, five hundred thirty-four million, four hundred twenty thousand, seven hundred eleven".