11761880979 has 8 divisors (see below), whose sum is σ = 15683770512. Its totient is φ = 7840622720.

The previous prime is 11761880959. The next prime is 11761880993. The reversal of 11761880979 is 97908816711.

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 11761880979 - 2⁹ = 11761880467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11761880909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112482 + ... + 190199.

It is an arithmetic number, because the mean of its divisors is an integer number (1960471314).

Almost surely, 2^11761880979 is an apocalyptic number.

11761880979 is a deficient number, since it is larger than the sum of its proper divisors (3921889533).

11761880979 is a wasteful number, since it uses less digits than its factorization.

11761880979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315637.

The product of its (nonzero) digits is 1524096, while the sum is 57.

The spelling of 11761880979 in words is "eleven billion, seven hundred sixty-one million, eight hundred eighty thousand, nine hundred seventy-nine".