151321222545253 has 4 divisors (see below), whose sum is σ = 151855926512128. Its totient is φ = 150786518578380.

The previous prime is 151321222545247. The next prime is 151321222545287. The reversal of 151321222545253 is 352545222123151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 151321222545253 - 2²⁵ = 151321188990821 is a prime.

It is a super-2 number, since 2×151321222545253² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151321222545953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267351983013 + ... + 267351983578.

It is an arithmetic number, because the mean of its divisors is an integer number (37963981628032).

Almost surely, 2^{151321222545253} is an apocalyptic number.

It is an amenable number.

151321222545253 is a deficient number, since it is larger than the sum of its proper divisors (534703966875).

151321222545253 is an equidigital number, since it uses as much as digits as its factorization.

151321222545253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534703966874.

The product of its digits is 720000, while the sum is 43.

The spelling of 151321222545253 in words is "one hundred fifty-one trillion, three hundred twenty-one billion, two hundred twenty-two million, five hundred forty-five thousand, two hundred fifty-three".