15601641520253 has 32 divisors (see below), whose sum is σ = 16471308268800. Its totient is φ = 14749074436096.

The previous prime is 15601641520189. The next prime is 15601641520259. The reversal of 15601641520253 is 35202514610651.

It is a cyclic number.

It is not a de Polignac number, because 15601641520253 - 2⁶ = 15601641520189 is a prime.

It is a super-2 number, since 2×15601641520253² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15601641520253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15601641520259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 986875613 + ... + 986891421.

It is an arithmetic number, because the mean of its divisors is an integer number (514728383400).

Almost surely, 2^{15601641520253} is an apocalyptic number.

It is an amenable number.

15601641520253 is a deficient number, since it is larger than the sum of its proper divisors (869666748547).

15601641520253 is a wasteful number, since it uses less digits than its factorization.

15601641520253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17461.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 15601641520253 in words is "fifteen trillion, six hundred one billion, six hundred forty-one million, five hundred twenty thousand, two hundred fifty-three".