15799801248 has 768 divisors, whose sum is σ = 60940615680. Its totient is φ = 3863116800.

The previous prime is 15799801211. The next prime is 15799801267. The reversal of 15799801248 is 84210899751.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 15799801194 and 15799801203.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 96931215 + ... + 96931377.

It is an arithmetic number, because the mean of its divisors is an integer number (79349760).

Almost surely, 2^15799801248 is an apocalyptic number.

15799801248 is a gapful number since it is divisible by the number (18) 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 15799801248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30470307840).

15799801248 is an abundant number, since it is smaller than the sum of its proper divisors (45140814432).

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

15799801248 is a wasteful number, since it uses less digits than its factorization.

15799801248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 54.

The spelling of 15799801248 in words is "fifteen billion, seven hundred ninety-nine million, eight hundred one thousand, two hundred forty-eight".