11641525645220 has 48 divisors (see below), whose sum is σ = 25087835602368. Its totient is φ = 4535209338240.

The previous prime is 11641525645207. The next prime is 11641525645241. The reversal of 11641525645220 is 2254652514611.

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, 19206851 + ... + 19803690.

It is an arithmetic number, because the mean of its divisors is an integer number (522663241716).

Almost surely, 2^{11641525645220} is an apocalyptic number.

11641525645220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11641525645220 is an abundant number, since it is smaller than the sum of its proper divisors (13446309957148).

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

11641525645220 is a wasteful number, since it uses less digits than its factorization.

11641525645220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39010940 (or 39010938 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 11641525645220 in words is "eleven trillion, six hundred forty-one billion, five hundred twenty-five million, six hundred forty-five thousand, two hundred twenty".