156221211111195 has 16 divisors (see below), whose sum is σ = 253474415776512. Its totient is φ = 82144486593120.

The previous prime is 156221211111157. The next prime is 156221211111211. The reversal of 156221211111195 is 591111112122651.

It is not a de Polignac number, because 156221211111195 - 2³⁹ = 155671455297307 is a prime.

It is a super-2 number, since 2×156221211111195² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73343290537 + ... + 73343292666.

It is an arithmetic number, because the mean of its divisors is an integer number (15842150986032).

Almost surely, 2^{156221211111195} is an apocalyptic number.

156221211111195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

156221211111195 is a deficient number, since it is larger than the sum of its proper divisors (97253204665317).

156221211111195 is a wasteful number, since it uses less digits than its factorization.

156221211111195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146686583282.

The product of its digits is 10800, while the sum is 39.

The spelling of 156221211111195 in words is "one hundred fifty-six trillion, two hundred twenty-one billion, two hundred eleven million, one hundred eleven thousand, one hundred ninety-five".