11632637380 has 48 divisors (see below), whose sum is σ = 30065898240. Its totient is φ = 3681537408.

The previous prime is 11632637371. The next prime is 11632637407. The reversal of 11632637380 is 8373623611.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3193960 + ... + 3197599.

It is an arithmetic number, because the mean of its divisors is an integer number (626372880).

Almost surely, 2^11632637380 is an apocalyptic number.

11632637380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11632637380 is an abundant number, since it is smaller than the sum of its proper divisors (18433260860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11632637380 is a wasteful number, since it uses less digits than its factorization.

11632637380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391588 (or 6391586 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 11632637380 in words is "eleven billion, six hundred thirty-two million, six hundred thirty-seven thousand, three hundred eighty".