15719221036 has 12 divisors (see below), whose sum is σ = 27529693128. Its totient is φ = 7853594432.

The previous prime is 15719220973. The next prime is 15719221043. The reversal of 15719221036 is 63012291751.

It is a junction number, because it is equal to n+sod(n) for n = 15719220986 and 15719221004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1498141 + ... + 1508596.

It is an arithmetic number, because the mean of its divisors is an integer number (2294141094).

Almost surely, 2^15719221036 is an apocalyptic number.

It is an amenable number.

15719221036 is a deficient number, since it is larger than the sum of its proper divisors (11810472092).

15719221036 is a wasteful number, since it uses less digits than its factorization.

15719221036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008048 (or 3008046 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 15719221036 in words is "fifteen billion, seven hundred nineteen million, two hundred twenty-one thousand, thirty-six".