2131532201552 has 80 divisors (see below), whose sum is σ = 4516178862720. Its totient is φ = 968612553216.

The previous prime is 2131532201537. The next prime is 2131532201573. The reversal of 2131532201552 is 2551022351312.

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, 28377998 + ... + 28453010.

It is an arithmetic number, because the mean of its divisors is an integer number (56452235784).

Almost surely, 2^{2131532201552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131532201552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2258089431360).

2131532201552 is an abundant number, since it is smaller than the sum of its proper divisors (2384646661168).

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

2131532201552 is a wasteful number, since it uses less digits than its factorization.

2131532201552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77140 (or 77134 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 2131532201552 its reverse (2551022351312), we get a palindrome (4682554552864).

The spelling of 2131532201552 in words is "two trillion, one hundred thirty-one billion, five hundred thirty-two million, two hundred one thousand, five hundred fifty-two".