11736054997 has 4 divisors (see below), whose sum is σ = 11777525440. Its totient is φ = 11694584556.

The previous prime is 11736054991. The next prime is 11736055027. The reversal of 11736054997 is 79945063711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11736054997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11736054991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20734797 + ... + 20735362.

It is an arithmetic number, because the mean of its divisors is an integer number (2944381360).

Almost surely, 2^11736054997 is an apocalyptic number.

It is an amenable number.

11736054997 is a deficient number, since it is larger than the sum of its proper divisors (41470443).

11736054997 is an equidigital number, since it uses as much as digits as its factorization.

11736054997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41470442.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 11736054997 in words is "eleven billion, seven hundred thirty-six million, fifty-four thousand, nine hundred ninety-seven".