11966492490 has 16 divisors (see below), whose sum is σ = 28719582048. Its totient is φ = 3191064656.

The previous prime is 11966492471. The next prime is 11966492537. The reversal of 11966492490 is 9429466911.

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, 199441512 + ... + 199441571.

It is an arithmetic number, because the mean of its divisors is an integer number (1794973878).

Almost surely, 2^11966492490 is an apocalyptic number.

11966492490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11966492490 is an abundant number, since it is smaller than the sum of its proper divisors (16753089558).

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

11966492490 is a wasteful number, since it uses less digits than its factorization.

11966492490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398883093.

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 11966492490 in words is "eleven billion, nine hundred sixty-six million, four hundred ninety-two thousand, four hundred ninety".