253431312001155 has 48 divisors (see below), whose sum is σ = 445302515320416. Its totient is φ = 133310607736320.

The previous prime is 253431312001151. The next prime is 253431312001159. The reversal of 253431312001155 is 551100213134352.

It is a happy number.

253431312001155 is a `hidden beast` number, since 2 + 5 + 3 + 431 + 3 + 1 + 200 + 1 + 15 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (253431312001151) and next prime (253431312001159).

It is not a de Polignac number, because 253431312001155 - 2² = 253431312001151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253431312001151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 452297749 + ... + 452857721.

It is an arithmetic number, because the mean of its divisors is an integer number (9277135735842).

Almost surely, 2^{253431312001155} is an apocalyptic number.

253431312001155 is a deficient number, since it is larger than the sum of its proper divisors (191871203319261).

253431312001155 is a wasteful number, since it uses less digits than its factorization.

253431312001155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697828 (or 697825 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 253431312001155 in words is "two hundred fifty-three trillion, four hundred thirty-one billion, three hundred twelve million, one thousand, one hundred fifty-five".