11975964377 has 8 divisors (see below), whose sum is σ = 12917259264. Its totient is φ = 11037536208.

The previous prime is 11975964367. The next prime is 11975964383. The reversal of 11975964377 is 77346957911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11975964377 - 2³² = 7680997081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11975964317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707993 + ... + 724710.

It is an arithmetic number, because the mean of its divisors is an integer number (1614657408).

Almost surely, 2^11975964377 is an apocalyptic number.

It is an amenable number.

11975964377 is a deficient number, since it is larger than the sum of its proper divisors (941294887).

11975964377 is a wasteful number, since it uses less digits than its factorization.

11975964377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433359.

The product of its digits is 10001880, while the sum is 59.

The spelling of 11975964377 in words is "eleven billion, nine hundred seventy-five million, nine hundred sixty-four thousand, three hundred seventy-seven".