2251515140516 has 24 divisors (see below), whose sum is σ = 3947626670400. Its totient is φ = 1123622663072.

The previous prime is 2251515140443. The next prime is 2251515140533. The reversal of 2251515140516 is 6150415151522.

It is a self number, because there is not a number n which added to its sum of digits gives 2251515140516.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10660655 + ... + 10869801.

It is an arithmetic number, because the mean of its divisors is an integer number (164484444600).

Almost surely, 2^{2251515140516} is an apocalyptic number.

It is an amenable number.

2251515140516 is a deficient number, since it is larger than the sum of its proper divisors (1696111529884).

2251515140516 is a wasteful number, since it uses less digits than its factorization.

2251515140516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214243 (or 214241 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 38.

The spelling of 2251515140516 in words is "two trillion, two hundred fifty-one billion, five hundred fifteen million, one hundred forty thousand, five hundred sixteen".