11621544345632 has 48 divisors (see below), whose sum is σ = 24641726218200. Its totient is φ = 5363394097152.

The previous prime is 11621544345617. The next prime is 11621544345643. The reversal of 11621544345632 is 23654344512611.

It can be written as a sum of positive squares in 4 ways, for example, as 6530907358096 + 5090636987536 = 2555564^2 + 2256244^2 .

It is a super-2 number, since 2×11621544345632² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4654598 + ... + 6701370.

Almost surely, 2^{11621544345632} is an apocalyptic number.

It is an amenable number.

11621544345632 is an abundant number, since it is smaller than the sum of its proper divisors (13020181872568).

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

11621544345632 is a wasteful number, since it uses less digits than its factorization.

11621544345632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060445 (or 2060437 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 47.

The spelling of 11621544345632 in words is "eleven trillion, six hundred twenty-one billion, five hundred forty-four million, three hundred forty-five thousand, six hundred thirty-two".