15451223496 has 64 divisors (see below), whose sum is σ = 39643560000. Its totient is φ = 5016612096.

The previous prime is 15451223441. The next prime is 15451223503. The reversal of 15451223496 is 69432215451.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104290 + ... + 204398.

It is an arithmetic number, because the mean of its divisors is an integer number (619430625).

Almost surely, 2^15451223496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15451223496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19821780000).

15451223496 is an abundant number, since it is smaller than the sum of its proper divisors (24192336504).

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

15451223496 is a wasteful number, since it uses less digits than its factorization.

15451223496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100286 (or 100282 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The spelling of 15451223496 in words is "fifteen billion, four hundred fifty-one million, two hundred twenty-three thousand, four hundred ninety-six".