1255514505 has 96 divisors (see below), whose sum is σ = 2436594048. Its totient is φ = 549964800.

The previous prime is 1255514497. The next prime is 1255514569. The reversal of 1255514505 is 5054155521.

It is not a de Polignac number, because 1255514505 - 2³ = 1255514497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1837894 + ... + 1838576.

It is an arithmetic number, because the mean of its divisors is an integer number (25381188).

Almost surely, 2^1255514505 is an apocalyptic number.

1255514505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1255514505 is a deficient number, since it is larger than the sum of its proper divisors (1181079543).

1255514505 is a wasteful number, since it uses less digits than its factorization.

1255514505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 33.

The square root of 1255514505 is about 35433.2401143333. The cubic root of 1255514505 is about 1078.7991067053.

The spelling of 1255514505 in words is "one billion, two hundred fifty-five million, five hundred fourteen thousand, five hundred five".