2142252511630 has 128 divisors (see below), whose sum is σ = 5056268230656. Its totient is φ = 633983500800.

The previous prime is 2142252511621. The next prime is 2142252511643. The reversal of 2142252511630 is 361152522412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 418444 + ... + 2111776.

It is an arithmetic number, because the mean of its divisors is an integer number (39502095552).

Almost surely, 2^{2142252511630} is an apocalyptic number.

2142252511630 is an abundant number, since it is smaller than the sum of its proper divisors (2914015719026).

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

2142252511630 is a wasteful number, since it uses less digits than its factorization.

2142252511630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693442.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 2142252511630 in words is "two trillion, one hundred forty-two billion, two hundred fifty-two million, five hundred eleven thousand, six hundred thirty".