15452125920 has 1152 divisors, whose sum is σ = 70270986240. Its totient is φ = 3102105600.

The previous prime is 15452125867. The next prime is 15452125937. The reversal of 15452125920 is 2952125451.

15452125920 is a `hidden beast` number, since 1 + 5 + 4 + 52 + 12 + 592 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 150020589 + ... + 150020691.

It is an arithmetic number, because the mean of its divisors is an integer number (60999120).

Almost surely, 2^15452125920 is an apocalyptic number.

15452125920 is a gapful number since it is divisible by the number (10) 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 15452125920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35135493120).

15452125920 is an abundant number, since it is smaller than the sum of its proper divisors (54818860320).

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

15452125920 is a wasteful number, since it uses less digits than its factorization.

15452125920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 15452125920 in words is "fifteen billion, four hundred fifty-two million, one hundred twenty-five thousand, nine hundred twenty".