15975429120 has 440 divisors, whose sum is σ = 65436923904. Its totient is φ = 3650863104.

The previous prime is 15975429103. The next prime is 15975429131. The reversal of 15975429120 is 2192457951.

15975429120 is a `hidden beast` number, since 1 + 5 + 97 + 542 + 9 + 12 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2900289 + ... + 2905791.

Almost surely, 2^15975429120 is an apocalyptic number.

15975429120 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 15975429120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32718461952).

15975429120 is an abundant number, since it is smaller than the sum of its proper divisors (49461494784).

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

15975429120 is an equidigital number, since it uses as much as digits as its factorization.

15975429120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547 (or 5520 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 15975429120 in words is "fifteen billion, nine hundred seventy-five million, four hundred twenty-nine thousand, one hundred twenty".