11950638021632 has 44 divisors (see below), whose sum is σ = 24192005731680. Its totient is φ = 5899682021376.

The previous prime is 11950638021631. The next prime is 11950638021643. The reversal of 11950638021632 is 23612083605911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11950638021631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73783313 + ... + 73945104.

Almost surely, 2^{11950638021632} is an apocalyptic number.

It is an amenable number.

11950638021632 is an abundant number, since it is smaller than the sum of its proper divisors (12241367710048).

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

11950638021632 is an equidigital number, since it uses as much as digits as its factorization.

11950638021632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147728516 (or 147728498 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 11950638021632 in words is "eleven trillion, nine hundred fifty billion, six hundred thirty-eight million, twenty-one thousand, six hundred thirty-two".