11402661644 has 12 divisors (see below), whose sum is σ = 21768717768. Its totient is φ = 5183028000.

The previous prime is 11402661629. The next prime is 11402661671. The reversal of 11402661644 is 44616620411.

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, 129575657 + ... + 129575744.

It is an arithmetic number, because the mean of its divisors is an integer number (1814059814).

Almost surely, 2^11402661644 is an apocalyptic number.

It is an amenable number.

11402661644 is a deficient number, since it is larger than the sum of its proper divisors (10366056124).

11402661644 is a wasteful number, since it uses less digits than its factorization.

11402661644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259151416 (or 259151414 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 11402661644 in words is "eleven billion, four hundred two million, six hundred sixty-one thousand, six hundred forty-four".