15613852050 has 36 divisors (see below), whose sum is σ = 41949217050. Its totient is φ = 4163693760.

The previous prime is 15613852049. The next prime is 15613852061. The reversal of 15613852050 is 5025831651.

It is a happy number.

15613852050 is a `hidden beast` number, since 1 + 56 + 1 + 38 + 520 + 50 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 9993800961 + 5620051089 = 99969^2 + 74967^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15613851996 and 15613852014.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17348275 + ... + 17349174.

Almost surely, 2^15613852050 is an apocalyptic number.

15613852050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15613852050 is an abundant number, since it is smaller than the sum of its proper divisors (26335365000).

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

15613852050 is a wasteful number, since it uses less digits than its factorization.

15613852050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34697467 (or 34697459 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 15613852050 in words is "fifteen billion, six hundred thirteen million, eight hundred fifty-two thousand, fifty".