1253153315531 has 16 divisors (see below), whose sum is σ = 1393134812160. Its totient is φ = 1119401004960.

The previous prime is 1253153315527. The next prime is 1253153315539. The reversal of 1253153315531 is 1355133513521.

It is a cyclic number.

It is not a de Polignac number, because 1253153315531 - 2² = 1253153315527 is a prime.

It is a super-2 number, since 2×1253153315531² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1253153315539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17924000 + ... + 17993778.

It is an arithmetic number, because the mean of its divisors is an integer number (87070925760).

Almost surely, 2^{1253153315531} is an apocalyptic number.

1253153315531 is a deficient number, since it is larger than the sum of its proper divisors (139981496629).

1253153315531 is a wasteful number, since it uses less digits than its factorization.

1253153315531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114386.

The product of its digits is 101250, while the sum is 38.

The spelling of 1253153315531 in words is "one trillion, two hundred fifty-three billion, one hundred fifty-three million, three hundred fifteen thousand, five hundred thirty-one".