15151515650 has 96 divisors (see below), whose sum is σ = 30199495680. Its totient is φ = 5642880320.

The previous prime is 15151515607. The next prime is 15151515677. The reversal of 15151515650 is 5651515151.

It is a self number, because there is not a number n which added to its sum of digits gives 15151515650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7258907 + ... + 7260993.

It is an arithmetic number, because the mean of its divisors is an integer number (314578080).

Almost surely, 2^15151515650 is an apocalyptic number.

15151515650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15151515650 is a deficient number, since it is larger than the sum of its proper divisors (15047980030).

15151515650 is a wasteful number, since it uses less digits than its factorization.

15151515650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 15151515650 in words is "fifteen billion, one hundred fifty-one million, five hundred fifteen thousand, six hundred fifty".