11390835924 has 216 divisors, whose sum is σ = 34243896960. Its totient is φ = 3297894912.

The previous prime is 11390835913. The next prime is 11390835943. The reversal of 11390835924 is 42953809311.

It is a happy number.

It is a super-2 number, since 2×11390835924² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11390835924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2790517 + ... + 2794595.

It is an arithmetic number, because the mean of its divisors is an integer number (158536560).

Almost surely, 2^11390835924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11390835924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17121948480).

11390835924 is an abundant number, since it is smaller than the sum of its proper divisors (22853061036).

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

11390835924 is a wasteful number, since it uses less digits than its factorization.

11390835924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141 (or 4114 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 11390835924 in words is "eleven billion, three hundred ninety million, eight hundred thirty-five thousand, nine hundred twenty-four".