15800126496 has 192 divisors, whose sum is σ = 52223947776. Its totient is φ = 4063104000.

The previous prime is 15800126473. The next prime is 15800126509. The reversal of 15800126496 is 69462100851.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 736011 + ... + 757173.

It is an arithmetic number, because the mean of its divisors is an integer number (271999728).

Almost surely, 2^15800126496 is an apocalyptic number.

15800126496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15800126496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26111973888).

15800126496 is an abundant number, since it is smaller than the sum of its proper divisors (36423821280).

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

15800126496 is a wasteful number, since it uses less digits than its factorization.

15800126496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21295 (or 21287 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 15800126496 in words is "fifteen billion, eight hundred million, one hundred twenty-six thousand, four hundred ninety-six".