11737379648 has 28 divisors (see below), whose sum is σ = 23461390212. Its totient is φ = 5825848320.

The previous prime is 11737379639. The next prime is 11737379653. The reversal of 11737379648 is 84697373711.

It can be written as a sum of positive squares in 2 ways, for example, as 2865246784 + 8872132864 = 53528^2 + 94192^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11737379593 and 11737379602.

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, 660563 + ... + 678098.

Almost surely, 2^11737379648 is an apocalyptic number.

It is an amenable number.

11737379648 is a deficient number, since it is larger than the sum of its proper divisors (11724010564).

11737379648 is a wasteful number, since it uses less digits than its factorization.

11737379648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338810 (or 1338800 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 56.

The spelling of 11737379648 in words is "eleven billion, seven hundred thirty-seven million, three hundred seventy-nine thousand, six hundred forty-eight".