11912495744 has 16 divisors (see below), whose sum is σ = 23731925370. Its totient is φ = 5956247808.

The previous prime is 11912495717. The next prime is 11912495753. The reversal of 11912495744 is 44759421911.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6008110144 + 5904385600 = 77512^2 + 76840^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×11912495744² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46533059 + ... + 46533314.

Almost surely, 2^11912495744 is an apocalyptic number.

It is an amenable number.

11912495744 is a deficient number, since it is larger than the sum of its proper divisors (11819429626).

11912495744 is an frugal number, since it uses more digits than its factorization.

11912495744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93066387 (or 93066375 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The spelling of 11912495744 in words is "eleven billion, nine hundred twelve million, four hundred ninety-five thousand, seven hundred forty-four".