253125724505 has 32 divisors (see below), whose sum is σ = 309996072960. Its totient is φ = 198383178240.

The previous prime is 253125724499. The next prime is 253125724513. The reversal of 253125724505 is 505427521352.

It is a de Polignac number, because none of the positive numbers 2^k-253125724505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27566015 + ... + 27575195.

It is an arithmetic number, because the mean of its divisors is an integer number (9687377280).

Almost surely, 2^253125724505 is an apocalyptic number.

It is an amenable number.

253125724505 is a deficient number, since it is larger than the sum of its proper divisors (56870348455).

253125724505 is a wasteful number, since it uses less digits than its factorization.

253125724505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9801.

The product of its (nonzero) digits is 420000, while the sum is 41.

The spelling of 253125724505 in words is "two hundred fifty-three billion, one hundred twenty-five million, seven hundred twenty-four thousand, five hundred five".