1153315532553 has 32 divisors (see below), whose sum is σ = 1593962409600. Its totient is φ = 741176916480.

The previous prime is 1153315532539. The next prime is 1153315532561. The reversal of 1153315532553 is 3552355133511.

It is not a de Polignac number, because 1153315532553 - 2²⁴ = 1153298755337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1153315532513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8907523 + ... + 9036071.

It is an arithmetic number, because the mean of its divisors is an integer number (49811325300).

Almost surely, 2^{1153315532553} is an apocalyptic number.

It is an amenable number.

1153315532553 is a deficient number, since it is larger than the sum of its proper divisors (440646877047).

1153315532553 is a wasteful number, since it uses less digits than its factorization.

1153315532553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129337.

The product of its digits is 506250, while the sum is 42.

The spelling of 1153315532553 in words is "one trillion, one hundred fifty-three billion, three hundred fifteen million, five hundred thirty-two thousand, five hundred fifty-three".