1073157155253 has 6 divisors (see below), whose sum is σ = 1550115890934. Its totient is φ = 715438103496.

The previous prime is 1073157155233. The next prime is 1073157155297. The reversal of 1073157155253 is 3525517513701.

1073157155253 is a `hidden beast` number, since 1 + 0 + 7 + 3 + 1 + 571 + 55 + 25 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1017358684164 + 55798471089 = 1008642^2 + 236217^2 .

It is not a de Polignac number, because 1073157155253 - 2²⁰ = 1073156106677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1073157155199 and 1073157155208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073157155233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59619841950 + ... + 59619841967.

It is an arithmetic number, because the mean of its divisors is an integer number (258352648489).

Almost surely, 2^{1073157155253} is an apocalyptic number.

It is an amenable number.

1073157155253 is a deficient number, since it is larger than the sum of its proper divisors (476958735681).

1073157155253 is a wasteful number, since it uses less digits than its factorization.

1073157155253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119239683923 (or 119239683920 counting only the distinct ones).

The product of its (nonzero) digits is 551250, while the sum is 45.

The spelling of 1073157155253 in words is "one trillion, seventy-three billion, one hundred fifty-seven million, one hundred fifty-five thousand, two hundred fifty-three".