156020022705155 has 32 divisors (see below), whose sum is σ = 215266877973504. Its totient is φ = 106336968955776.

The previous prime is 156020022705109. The next prime is 156020022705187. The reversal of 156020022705155 is 551507220020651.

It is a cyclic number.

It is not a de Polignac number, because 156020022705155 - 2¹⁶ = 156020022639619 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81899504 + ... + 83782866.

It is an arithmetic number, because the mean of its divisors is an integer number (6727089936672).

Almost surely, 2^{156020022705155} is an apocalyptic number.

156020022705155 is a deficient number, since it is larger than the sum of its proper divisors (59246855268349).

156020022705155 is a wasteful number, since it uses less digits than its factorization.

156020022705155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897715.

The product of its (nonzero) digits is 210000, while the sum is 41.

The spelling of 156020022705155 in words is "one hundred fifty-six trillion, twenty billion, twenty-two million, seven hundred five thousand, one hundred fifty-five".