201515364516245 has 48 divisors (see below), whose sum is σ = 262016167253760. Its totient is φ = 148717359318528.

The previous prime is 201515364516229. The next prime is 201515364516283. The reversal of 201515364516245 is 542615463515102.

201515364516245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201515364516245 - 2⁴ = 201515364516229 is a prime.

It is a super-2 number, since 2×201515364516245² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201515364516193 and 201515364516202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13449593024 + ... + 13449608006.

It is an arithmetic number, because the mean of its divisors is an integer number (5458670151120).

Almost surely, 2^{201515364516245} is an apocalyptic number.

It is an amenable number.

201515364516245 is a deficient number, since it is larger than the sum of its proper divisors (60500802737515).

201515364516245 is a wasteful number, since it uses less digits than its factorization.

201515364516245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24006 (or 23993 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 50.

The spelling of 201515364516245 in words is "two hundred one trillion, five hundred fifteen billion, three hundred sixty-four million, five hundred sixteen thousand, two hundred forty-five".