2015513455 has 48 divisors (see below), whose sum is σ = 2673699840. Its totient is φ = 1457197568.

The previous prime is 2015513447. The next prime is 2015513459. The reversal of 2015513455 is 5543155102.

It is not a de Polignac number, because 2015513455 - 2³ = 2015513447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015513459) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4006734 + ... + 4007236.

It is an arithmetic number, because the mean of its divisors is an integer number (55702080).

Almost surely, 2^2015513455 is an apocalyptic number.

2015513455 is a deficient number, since it is larger than the sum of its proper divisors (658186385).

2015513455 is a wasteful number, since it uses less digits than its factorization.

2015513455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 2015513455 is about 44894.4702051377. The cubic root of 2015513455 is about 1263.1702845960.

Adding to 2015513455 its reverse (5543155102), we get a palindrome (7558668557).

The spelling of 2015513455 in words is "two billion, fifteen million, five hundred thirteen thousand, four hundred fifty-five".