15728658451 has 48 divisors (see below), whose sum is σ = 19313883648. Its totient is φ = 12656736000.

The previous prime is 15728658437. The next prime is 15728658461. The reversal of 15728658451 is 15485682751.

It is a happy number.

It is not a de Polignac number, because 15728658451 - 2⁵ = 15728658419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15728658461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10192786 + ... + 10194328.

It is an arithmetic number, because the mean of its divisors is an integer number (402372576).

Almost surely, 2^15728658451 is an apocalyptic number.

15728658451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15728658451 is a deficient number, since it is larger than the sum of its proper divisors (3585225197).

15728658451 is a wasteful number, since it uses less digits than its factorization.

15728658451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760 (or 1741 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 52.

The spelling of 15728658451 in words is "fifteen billion, seven hundred twenty-eight million, six hundred fifty-eight thousand, four hundred fifty-one".