11507022990 has 48 divisors (see below), whose sum is σ = 30883372416. Its totient is φ = 2969553600.

The previous prime is 11507022983. The next prime is 11507023009. The reversal of 11507022990 is 9922070511.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2059401 + ... + 2064980.

It is an arithmetic number, because the mean of its divisors is an integer number (643403592).

Almost surely, 2^11507022990 is an apocalyptic number.

11507022990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11507022990 is an abundant number, since it is smaller than the sum of its proper divisors (19376349426).

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

11507022990 is a wasteful number, since it uses less digits than its factorization.

11507022990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124425 (or 4124422 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The spelling of 11507022990 in words is "eleven billion, five hundred seven million, twenty-two thousand, nine hundred ninety".