156230551220253 has 4 divisors (see below), whose sum is σ = 208307401627008. Its totient is φ = 104153700813500.

The previous prime is 156230551220201. The next prime is 156230551220309. The reversal of 156230551220253 is 352022155032651.

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 156230551220253 - 2¹⁰ = 156230551219229 is a prime.

It is a super-2 number, since 2×156230551220253² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156230551220453) 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, 26038425203373 + ... + 26038425203378.

It is an arithmetic number, because the mean of its divisors is an integer number (52076850406752).

Almost surely, 2^{156230551220253} is an apocalyptic number.

It is an amenable number.

156230551220253 is a deficient number, since it is larger than the sum of its proper divisors (52076850406755).

156230551220253 is an equidigital number, since it uses as much as digits as its factorization.

156230551220253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52076850406754.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 156230551220253 in words is "one hundred fifty-six trillion, two hundred thirty billion, five hundred fifty-one million, two hundred twenty thousand, two hundred fifty-three".