253110541545 has 24 divisors (see below), whose sum is σ = 464532289416. Its totient is φ = 127051565568.

The previous prime is 253110541517. The next prime is 253110541553. The reversal of 253110541545 is 545145011352.

253110541545 is a `hidden beast` number, since 2 + 5 + 3 + 1 + 105 + 4 + 1 + 545 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 37423676304 + 215686865241 = 193452^2 + 464421^2 .

It is not a de Polignac number, because 253110541545 - 2³⁷ = 115671588073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165430962 + ... + 165432491.

It is an arithmetic number, because the mean of its divisors is an integer number (19355512059).

Almost surely, 2^253110541545 is an apocalyptic number.

It is an amenable number.

253110541545 is a deficient number, since it is larger than the sum of its proper divisors (211421747871).

253110541545 is a wasteful number, since it uses less digits than its factorization.

253110541545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330863481 (or 330863478 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 253110541545 its reverse (545145011352), we get a palindrome (798255552897).

The spelling of 253110541545 in words is "two hundred fifty-three billion, one hundred ten million, five hundred forty-one thousand, five hundred forty-five".