11213136990 has 160 divisors (see below), whose sum is σ = 32961573216. Its totient is φ = 2712579840.

The previous prime is 11213136941. The next prime is 11213137021. The reversal of 11213136990 is 9963131211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5460804 + ... + 5462856.

Almost surely, 2^11213136990 is an apocalyptic number.

11213136990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11213136990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16480786608).

11213136990 is an abundant number, since it is smaller than the sum of its proper divisors (21748436226).

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

11213136990 is a wasteful number, since it uses less digits than its factorization.

11213136990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696 (or 2687 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The spelling of 11213136990 in words is "eleven billion, two hundred thirteen million, one hundred thirty-six thousand, nine hundred ninety".