11146442656 has 12 divisors (see below), whose sum is σ = 21944559042. Its totient is φ = 5573221312.

The previous prime is 11146442653. The next prime is 11146442687. The reversal of 11146442656 is 65624464111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11133626256 + 12816400 = 105516^2 + 3580^2 .

It is not an unprimeable number, because it can be changed into a prime (11146442653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174163135 + ... + 174163198.

Almost surely, 2^11146442656 is an apocalyptic number.

11146442656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11146442656 is a deficient number, since it is larger than the sum of its proper divisors (10798116386).

11146442656 is an equidigital number, since it uses as much as digits as its factorization.

11146442656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348326343 (or 348326335 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The spelling of 11146442656 in words is "eleven billion, one hundred forty-six million, four hundred forty-two thousand, six hundred fifty-six".