15961046050 has 12 divisors (see below), whose sum is σ = 29687545746. Its totient is φ = 6384418400.

The previous prime is 15961046047. The next prime is 15961046069. The reversal of 15961046050 is 5064016951.

It can be written as a sum of positive squares in 3 ways, for example, as 6976091529 + 8984954521 = 83523^2 + 94789^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159610411 + ... + 159610510.

Almost surely, 2^15961046050 is an apocalyptic number.

15961046050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15961046050 is a deficient number, since it is larger than the sum of its proper divisors (13726499696).

15961046050 is a wasteful number, since it uses less digits than its factorization.

15961046050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319220933 (or 319220928 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 15961046050 in words is "fifteen billion, nine hundred sixty-one million, forty-six thousand, fifty".