11656715354 has 4 divisors (see below), whose sum is σ = 17485073034. Its totient is φ = 5828357676.

The previous prime is 11656715321. The next prime is 11656715359. The reversal of 11656715354 is 45351765611.

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

It can be written as a sum of positive squares in only one way, i.e., 8859892129 + 2796823225 = 94127^2 + 52885^2 .

It is not an unprimeable number, because it can be changed into a prime (11656715359) 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 as a sum of consecutive naturals, namely, 2914178837 + ... + 2914178840.

Almost surely, 2^11656715354 is an apocalyptic number.

11656715354 is a deficient number, since it is larger than the sum of its proper divisors (5828357680).

11656715354 is an equidigital number, since it uses as much as digits as its factorization.

11656715354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5828357679.

The product of its digits is 378000, while the sum is 44.

The spelling of 11656715354 in words is "eleven billion, six hundred fifty-six million, seven hundred fifteen thousand, three hundred fifty-four".