11949290079 has 4 divisors (see below), whose sum is σ = 15932386776. Its totient is φ = 7966193384.

The previous prime is 11949290063. The next prime is 11949290137. The reversal of 11949290079 is 97009294911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97009294911 = 3 ⋅32336431637.

It is a cyclic number.

It is not a de Polignac number, because 11949290079 - 2⁴ = 11949290063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11949290179) 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 3 ways as a sum of consecutive naturals, for example, 1991548344 + ... + 1991548349.

It is an arithmetic number, because the mean of its divisors is an integer number (3983096694).

Almost surely, 2^11949290079 is an apocalyptic number.

11949290079 is a deficient number, since it is larger than the sum of its proper divisors (3983096697).

11949290079 is an equidigital number, since it uses as much as digits as its factorization.

11949290079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983096696.

The product of its (nonzero) digits is 367416, while the sum is 51.

The spelling of 11949290079 in words is "eleven billion, nine hundred forty-nine million, two hundred ninety thousand, seventy-nine".