11978261092 has 24 divisors (see below), whose sum is σ = 24445433600. Its totient is φ = 5133539880.

The previous prime is 11978261083. The next prime is 11978261101. The reversal of 11978261092 is 29016287911.

11978261092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11978261083) and next prime (11978261101).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4363884 + ... + 4366627.

Almost surely, 2^11978261092 is an apocalyptic number.

It is an amenable number.

11978261092 is an abundant number, since it is smaller than the sum of its proper divisors (12467172508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11978261092 is an equidigital number, since it uses as much as digits as its factorization.

11978261092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8730536 (or 8730520 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 46.

The spelling of 11978261092 in words is "eleven billion, nine hundred seventy-eight million, two hundred sixty-one thousand, ninety-two".