15601032253560 has 128 divisors (see below), whose sum is σ = 50433652039680. Its totient is φ = 3837944222208.

The previous prime is 15601032253537. The next prime is 15601032253561. The reversal of 15601032253560 is 6535223010651.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15601032253561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412534 + ... + 5601093.

It is an arithmetic number, because the mean of its divisors is an integer number (394012906560).

Almost surely, 2^{15601032253560} is an apocalyptic number.

15601032253560 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 15601032253560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25216826019840).

15601032253560 is an abundant number, since it is smaller than the sum of its proper divisors (34832619786120).

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

15601032253560 is a wasteful number, since it uses less digits than its factorization.

15601032253560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6015317 (or 6015313 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 15601032253560 in words is "fifteen trillion, six hundred one billion, thirty-two million, two hundred fifty-three thousand, five hundred sixty".