156211340253 has 8 divisors (see below), whose sum is σ = 219243986400. Its totient is φ = 98659793808.

The previous prime is 156211340213. The next prime is 156211340309. The reversal of 156211340253 is 352043112651.

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

It is not a de Polignac number, because 156211340253 - 2¹⁷ = 156211209181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156211340213) 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, 1370274858 + ... + 1370274971.

It is an arithmetic number, because the mean of its divisors is an integer number (27405498300).

Almost surely, 2^156211340253 is an apocalyptic number.

It is an amenable number.

156211340253 is a deficient number, since it is larger than the sum of its proper divisors (63032646147).

156211340253 is a wasteful number, since it uses less digits than its factorization.

156211340253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740549851.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 156211340253 in words is "one hundred fifty-six billion, two hundred eleven million, three hundred forty thousand, two hundred fifty-three".