231515001412245 has 16 divisors (see below), whose sum is σ = 411582224733120. Its totient is φ = 123474667419792.

The previous prime is 231515001412193. The next prime is 231515001412249. The reversal of 231515001412245 is 542214100515132.

231515001412245 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 1 + 500 + 141 + 2 + 2 + 4 + 5 = 666.

It is not a de Polignac number, because 231515001412245 - 2¹³ = 231515001404053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231515001412249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857462968059 + ... + 857462968328.

It is an arithmetic number, because the mean of its divisors is an integer number (25723889045820).

Almost surely, 2^{231515001412245} is an apocalyptic number.

It is an amenable number.

231515001412245 is a deficient number, since it is larger than the sum of its proper divisors (180067223320875).

231515001412245 is a wasteful number, since it uses less digits than its factorization.

231515001412245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714925936401 (or 1714925936395 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 231515001412245 its reverse (542214100515132), we get a palindrome (773729101927377).

The spelling of 231515001412245 in words is "two hundred thirty-one trillion, five hundred fifteen billion, one million, four hundred twelve thousand, two hundred forty-five".