1255002653523 has 16 divisors (see below), whose sum is σ = 1675060192256. Its totient is φ = 835807079520.

The previous prime is 1255002653521. The next prime is 1255002653543. The reversal of 1255002653523 is 3253562005521.

It is a happy number.

It is not a de Polignac number, because 1255002653523 - 2¹ = 1255002653521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255002653521) 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, 17892840 + ... + 17962842.

It is an arithmetic number, because the mean of its divisors is an integer number (104691262016).

Almost surely, 2^{1255002653523} is an apocalyptic number.

1255002653523 is a deficient number, since it is larger than the sum of its proper divisors (420057538733).

1255002653523 is a wasteful number, since it uses less digits than its factorization.

1255002653523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76074.

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 1255002653523 in words is "one trillion, two hundred fifty-five billion, two million, six hundred fifty-three thousand, five hundred twenty-three".