11490920475 has 24 divisors (see below), whose sum is σ = 19227227712. Its totient is φ = 6054650400.

The previous prime is 11490920459. The next prime is 11490920479. The reversal of 11490920475 is 57402909411.

It is not a de Polignac number, because 11490920475 - 2⁴ = 11490920459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11490920479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 916741 + ... + 929190.

It is an arithmetic number, because the mean of its divisors is an integer number (801134488).

Almost surely, 2^11490920475 is an apocalyptic number.

11490920475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11490920475 is a deficient number, since it is larger than the sum of its proper divisors (7736307237).

11490920475 is a wasteful number, since it uses less digits than its factorization.

11490920475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846027 (or 1846022 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 11490920475 in words is "eleven billion, four hundred ninety million, nine hundred twenty thousand, four hundred seventy-five".