15601244250 has 128 divisors (see below), whose sum is σ = 42346976256. Its totient is φ = 3809664000.

The previous prime is 15601244227. The next prime is 15601244339. The reversal of 15601244250 is 5244210651.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 455215 + ... + 488285.

It is an arithmetic number, because the mean of its divisors is an integer number (330835752).

Almost surely, 2^15601244250 is an apocalyptic number.

15601244250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15601244250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21173488128).

15601244250 is an abundant number, since it is smaller than the sum of its proper divisors (26745732006).

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

15601244250 is a wasteful number, since it uses less digits than its factorization.

15601244250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33145 (or 33135 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 15601244250 in words is "fifteen billion, six hundred one million, two hundred forty-four thousand, two hundred fifty".