3872145135232 has 32 divisors (see below), whose sum is σ = 8415315424800. Its totient is φ = 1760065969920.

The previous prime is 3872145135119. The next prime is 3872145135253. The reversal of 3872145135232 is 2325315412783.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375050132 + ... + 1375052947.

It is an arithmetic number, because the mean of its divisors is an integer number (262978607025).

Almost surely, 2^{3872145135232} is an apocalyptic number.

3872145135232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3872145135232 is an abundant number, since it is smaller than the sum of its proper divisors (4543170289568).

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

3872145135232 is a wasteful number, since it uses less digits than its factorization.

3872145135232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750103104 (or 2750103092 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 46.

The spelling of 3872145135232 in words is "three trillion, eight hundred seventy-two billion, one hundred forty-five million, one hundred thirty-five thousand, two hundred thirty-two".