1255115053 has 24 divisors (see below), whose sum is σ = 1351848960. Its totient is φ = 1164961440.

The previous prime is 1255115051. The next prime is 1255115063. The reversal of 1255115053 is 3505115521.

It is not a de Polignac number, because 1255115053 - 2¹ = 1255115051 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 (1255115051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6571188 + ... + 6571378.

It is an arithmetic number, because the mean of its divisors is an integer number (56327040).

Almost surely, 2^1255115053 is an apocalyptic number.

It is an amenable number.

1255115053 is a deficient number, since it is larger than the sum of its proper divisors (96733907).

1255115053 is a wasteful number, since it uses less digits than its factorization.

1255115053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 1255115053 is about 35427.6029812913. The cubic root of 1255115053 is about 1078.6846850430.

The spelling of 1255115053 in words is "one billion, two hundred fifty-five million, one hundred fifteen thousand, fifty-three".