15356872752 has 480 divisors, whose sum is σ = 48707549184. Its totient is φ = 4136140800.

The previous prime is 15356872747. The next prime is 15356872753. The reversal of 15356872752 is 25727865351.

It is a happy number.

It is a super-2 number, since 2×15356872752² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 15356872695 and 15356872704.

It is not an unprimeable number, because it can be changed into a prime (15356872753) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 229207023 + ... + 229207089.

Almost surely, 2^15356872752 is an apocalyptic number.

15356872752 is a gapful number since it is divisible by the number (12) 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 15356872752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24353774592).

15356872752 is an abundant number, since it is smaller than the sum of its proper divisors (33350676432).

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

15356872752 is a wasteful number, since it uses less digits than its factorization.

15356872752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 174 counting only the distinct ones).

The product of its digits is 3528000, while the sum is 51.

The spelling of 15356872752 in words is "fifteen billion, three hundred fifty-six million, eight hundred seventy-two thousand, seven hundred fifty-two".