11899338632 has 32 divisors (see below), whose sum is σ = 23628746520. Its totient is φ = 5598489600.

The previous prime is 11899338613. The next prime is 11899338637. The reversal of 11899338632 is 23683399811.

It can be written as a sum of positive squares in 4 ways, for example, as 9839449636 + 2059888996 = 99194^2 + 45386^2 .

It is not an unprimeable number, because it can be changed into a prime (11899338637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196882 + ... + 1206782.

Almost surely, 2^11899338632 is an apocalyptic number.

It is an amenable number.

11899338632 is a deficient number, since it is larger than the sum of its proper divisors (11729407888).

11899338632 is a wasteful number, since it uses less digits than its factorization.

11899338632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18761 (or 18757 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 53.

The spelling of 11899338632 in words is "eleven billion, eight hundred ninety-nine million, three hundred thirty-eight thousand, six hundred thirty-two".