11979001377 has 24 divisors (see below), whose sum is σ = 20456754240. Its totient is φ = 6609103200.

The previous prime is 11979001373. The next prime is 11979001403. The reversal of 11979001377 is 77310097911.

11979001377 is a `hidden beast` number, since 1 + 197 + 90 + 0 + 1 + 377 = 666.

It is not a de Polignac number, because 11979001377 - 2² = 11979001373 is a prime.

It is a super-3 number, since 3×11979001377³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (11979001373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3276499 + ... + 3280152.

It is an arithmetic number, because the mean of its divisors is an integer number (852364760).

Almost surely, 2^11979001377 is an apocalyptic number.

It is an amenable number.

11979001377 is a deficient number, since it is larger than the sum of its proper divisors (8477752863).

11979001377 is a wasteful number, since it uses less digits than its factorization.

11979001377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556693 (or 6556690 counting only the distinct ones).

The product of its (nonzero) digits is 83349, while the sum is 45.

The spelling of 11979001377 in words is "eleven billion, nine hundred seventy-nine million, one thousand, three hundred seventy-seven".