11422661952 has 112 divisors (see below), whose sum is σ = 32836104000. Its totient is φ = 3483475968.

The previous prime is 11422661837. The next prime is 11422661953. The reversal of 11422661952 is 25916622411.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 11422661952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11422661953) 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, 261799 + ... + 302297.

It is an arithmetic number, because the mean of its divisors is an integer number (293179500).

Almost surely, 2^11422661952 is an apocalyptic number.

11422661952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11422661952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16418052000).

11422661952 is an abundant number, since it is smaller than the sum of its proper divisors (21413442048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11422661952 is a wasteful number, since it uses less digits than its factorization.

11422661952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40640 (or 40630 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The spelling of 11422661952 in words is "eleven billion, four hundred twenty-two million, six hundred sixty-one thousand, nine hundred fifty-two".