11774973715 has 4 divisors (see below), whose sum is σ = 14129968464. Its totient is φ = 9419978968.

The previous prime is 11774973689. The next prime is 11774973719. The reversal of 11774973715 is 51737947711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51737947711 = 6427 ⋅8050093.

It is a cyclic number.

It is not a de Polignac number, because 11774973715 - 2¹⁷ = 11774842643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11774973719) 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, 1177497367 + ... + 1177497376.

It is an arithmetic number, because the mean of its divisors is an integer number (3532492116).

Almost surely, 2^11774973715 is an apocalyptic number.

11774973715 is a deficient number, since it is larger than the sum of its proper divisors (2354994749).

11774973715 is an equidigital number, since it uses as much as digits as its factorization.

11774973715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354994748.

The product of its digits is 1296540, while the sum is 52.

The spelling of 11774973715 in words is "eleven billion, seven hundred seventy-four million, nine hundred seventy-three thousand, seven hundred fifteen".