2881525131630 has 48 divisors (see below), whose sum is σ = 7633323191520. Its totient is φ = 753908460864.

The previous prime is 2881525131601. The next prime is 2881525131659. The reversal of 2881525131630 is 361315251882.

2881525131630 is a `hidden beast` number, since 2 + 8 + 8 + 1 + 5 + 2 + 5 + 1 + 3 + 1 + 630 = 666.

It is an interprime number because it is at equal distance from previous prime (2881525131601) and next prime (2881525131659).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302041890 + ... + 302051429.

It is an arithmetic number, because the mean of its divisors is an integer number (159027566490).

Almost surely, 2^{2881525131630} is an apocalyptic number.

2881525131630 is an abundant number, since it is smaller than the sum of its proper divisors (4751798059890).

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

2881525131630 is a wasteful number, since it uses less digits than its factorization.

2881525131630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604093385 (or 604093382 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 2881525131630 in words is "two trillion, eight hundred eighty-one billion, five hundred twenty-five million, one hundred thirty-one thousand, six hundred thirty".