15151565650 has 48 divisors (see below), whose sum is σ = 30371431104. Its totient is φ = 5590428480.

The previous prime is 15151565633. The next prime is 15151565659. The reversal of 15151565650 is 5656515151.

It is not an unprimeable number, because it can be changed into a prime (15151565659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 995397 + ... + 1010503.

It is an arithmetic number, because the mean of its divisors is an integer number (632738148).

Almost surely, 2^15151565650 is an apocalyptic number.

15151565650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15151565650 is an abundant number, since it is smaller than the sum of its proper divisors (15219865454).

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

15151565650 is a wasteful number, since it uses less digits than its factorization.

15151565650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16675 (or 16670 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 15151565650 in words is "fifteen billion, one hundred fifty-one million, five hundred sixty-five thousand, six hundred fifty".