1253035509555 has 32 divisors (see below), whose sum is σ = 2110443229440. Its totient is φ = 633092388480.

The previous prime is 1253035509433. The next prime is 1253035509563. The reversal of 1253035509555 is 5559055303521.

It is not a de Polignac number, because 1253035509555 - 2¹² = 1253035505459 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13246125 + ... + 13340385.

It is an arithmetic number, because the mean of its divisors is an integer number (65951350920).

Almost surely, 2^{1253035509555} is an apocalyptic number.

1253035509555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1253035509555 is a deficient number, since it is larger than the sum of its proper divisors (857407719885).

1253035509555 is a wasteful number, since it uses less digits than its factorization.

1253035509555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140931.

The product of its (nonzero) digits is 2531250, while the sum is 48.

The spelling of 1253035509555 in words is "one trillion, two hundred fifty-three billion, thirty-five million, five hundred nine thousand, five hundred fifty-five".