1015415255 has 4 divisors (see below), whose sum is σ = 1218498312. Its totient is φ = 812332200.

The previous prime is 1015415239. The next prime is 1015415257. The reversal of 1015415255 is 5525145101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1015415255 - 2⁴ = 1015415239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015415257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101541521 + ... + 101541530.

It is an arithmetic number, because the mean of its divisors is an integer number (304624578).

Almost surely, 2^1015415255 is an apocalyptic number.

1015415255 is a deficient number, since it is larger than the sum of its proper divisors (203083057).

1015415255 is an equidigital number, since it uses as much as digits as its factorization.

1015415255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203083056.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 1015415255 is about 31865.5810397363. The cubic root of 1015415255 is about 1005.1122388116.

The spelling of 1015415255 in words is "one billion, fifteen million, four hundred fifteen thousand, two hundred fifty-five".