15606489120 has 192 divisors, whose sum is σ = 50438868480. Its totient is φ = 4054335488.

The previous prime is 15606489103. The next prime is 15606489137. The reversal of 15606489120 is 2198460651.

It is an interprime number because it is at equal distance from previous prime (15606489103) and next prime (15606489137).

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, 5254996 + ... + 5257964.

It is an arithmetic number, because the mean of its divisors is an integer number (262702440).

Almost surely, 2^15606489120 is an apocalyptic number.

15606489120 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 15606489120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25219434240).

15606489120 is an abundant number, since it is smaller than the sum of its proper divisors (34832379360).

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

15606489120 is a wasteful number, since it uses less digits than its factorization.

15606489120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267 (or 3259 counting only the distinct ones).

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

The spelling of 15606489120 in words is "fifteen billion, six hundred six million, four hundred eighty-nine thousand, one hundred twenty".