641113247621272 has 64 divisors (see below), whose sum is σ = 1245079201766400. Its totient is φ = 309162655509120.

The previous prime is 641113247621263. The next prime is 641113247621293. The reversal of 641113247621272 is 272126742311146.

It is a super-2 number, since 2×641113247621272² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 550871754 + ... + 552034342.

It is an arithmetic number, because the mean of its divisors is an integer number (19454362527600).

Almost surely, 2^{641113247621272} is an apocalyptic number.

641113247621272 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

641113247621272 is a deficient number, since it is larger than the sum of its proper divisors (603965954145128).

641113247621272 is a wasteful number, since it uses less digits than its factorization.

641113247621272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170176 (or 1170172 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The spelling of 641113247621272 in words is "six hundred forty-one trillion, one hundred thirteen billion, two hundred forty-seven million, six hundred twenty-one thousand, two hundred seventy-two".