11954763938 has 32 divisors (see below), whose sum is σ = 20800718400. Its totient is φ = 5105612736.

The previous prime is 11954763911. The next prime is 11954763941. The reversal of 11954763938 is 83936745911.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260153 + ... + 302636.

It is an arithmetic number, because the mean of its divisors is an integer number (650022450).

Almost surely, 2^11954763938 is an apocalyptic number.

11954763938 is a deficient number, since it is larger than the sum of its proper divisors (8845954462).

11954763938 is a wasteful number, since it uses less digits than its factorization.

11954763938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562866.

The product of its digits is 4898880, while the sum is 56.

The spelling of 11954763938 in words is "eleven billion, nine hundred fifty-four million, seven hundred sixty-three thousand, nine hundred thirty-eight".