11961079528 has 64 divisors (see below), whose sum is σ = 23815555200. Its totient is φ = 5620285440.

The previous prime is 11961079517. The next prime is 11961079547. The reversal of 11961079528 is 82597016911.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2667048 + ... + 2671528.

It is an arithmetic number, because the mean of its divisors is an integer number (372118050).

Almost surely, 2^11961079528 is an apocalyptic number.

It is an amenable number.

11961079528 is a deficient number, since it is larger than the sum of its proper divisors (11854475672).

11961079528 is a wasteful number, since it uses less digits than its factorization.

11961079528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4762 (or 4758 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 49.

The spelling of 11961079528 in words is "eleven billion, nine hundred sixty-one million, seventy-nine thousand, five hundred twenty-eight".