1255114515 has 16 divisors (see below), whose sum is σ = 2072964096. Its totient is φ = 647800800.

The previous prime is 1255114513. The next prime is 1255114543. The reversal of 1255114515 is 5154115521.

It is not a de Polignac number, because 1255114515 - 2¹ = 1255114513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1255114513) 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, 1349121 + ... + 1350050.

It is an arithmetic number, because the mean of its divisors is an integer number (129560256).

Almost surely, 2^1255114515 is an apocalyptic number.

1255114515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1255114515 is a deficient number, since it is larger than the sum of its proper divisors (817849581).

1255114515 is a wasteful number, since it uses less digits than its factorization.

1255114515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699210.

The product of its digits is 5000, while the sum is 30.

The square root of 1255114515 is about 35427.5953883410. The cubic root of 1255114515 is about 1078.6845309184.

The spelling of 1255114515 in words is "one billion, two hundred fifty-five million, one hundred fourteen thousand, five hundred fifteen".