11930976455 has 4 divisors (see below), whose sum is σ = 14317171752. Its totient is φ = 9544781160.

The previous prime is 11930976443. The next prime is 11930976493. The reversal of 11930976455 is 55467903911.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11930976455 - 2¹² = 11930972359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193097641 + ... + 1193097650.

It is an arithmetic number, because the mean of its divisors is an integer number (3579292938).

Almost surely, 2^11930976455 is an apocalyptic number.

11930976455 is a deficient number, since it is larger than the sum of its proper divisors (2386195297).

11930976455 is an equidigital number, since it uses as much as digits as its factorization.

11930976455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386195296.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The spelling of 11930976455 in words is "eleven billion, nine hundred thirty million, nine hundred seventy-six thousand, four hundred fifty-five".