11191036020 has 24 divisors (see below), whose sum is σ = 31334901024. Its totient is φ = 2984276256.

The previous prime is 11191036013. The next prime is 11191036067. The reversal of 11191036020 is 2063019111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93258574 + ... + 93258693.

It is an arithmetic number, because the mean of its divisors is an integer number (1305620876).

Almost surely, 2^11191036020 is an apocalyptic number.

11191036020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11191036020 is an abundant number, since it is smaller than the sum of its proper divisors (20143865004).

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

11191036020 is a wasteful number, since it uses less digits than its factorization.

11191036020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186517279 (or 186517277 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 11191036020 in words is "eleven billion, one hundred ninety-one million, thirty-six thousand, twenty".