253015122399 has 8 divisors (see below), whose sum is σ = 363303765552. Its totient is φ = 155701613760.

The previous prime is 253015122361. The next prime is 253015122403. The reversal of 253015122399 is 993221510352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253015122399 - 2¹² = 253015118303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253015122399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253015122299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3243783582 + ... + 3243783659.

It is an arithmetic number, because the mean of its divisors is an integer number (45412970694).

Almost surely, 2^253015122399 is an apocalyptic number.

253015122399 is a deficient number, since it is larger than the sum of its proper divisors (110288643153).

253015122399 is a wasteful number, since it uses less digits than its factorization.

253015122399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6487567257.

The product of its (nonzero) digits is 145800, while the sum is 42.

The spelling of 253015122399 in words is "two hundred fifty-three billion, fifteen million, one hundred twenty-two thousand, three hundred ninety-nine".