2515151550 has 24 divisors (see below), whose sum is σ = 6237576216. Its totient is φ = 670707040.

The previous prime is 2515151539. The next prime is 2515151567. The reversal of 2515151550 is 551515152.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8383689 + ... + 8383988.

It is an arithmetic number, because the mean of its divisors is an integer number (259899009).

Almost surely, 2^2515151550 is an apocalyptic number.

2515151550 is an abundant number, since it is smaller than the sum of its proper divisors (3722424666).

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

2515151550 is a wasteful number, since it uses less digits than its factorization.

2515151550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16767692 (or 16767687 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 30.

The square root of 2515151550 is about 50151.2866235753. The cubic root of 2515151550 is about 1359.9451300671.

The spelling of 2515151550 in words is "two billion, five hundred fifteen million, one hundred fifty-one thousand, five hundred fifty".