159211011212111 has 4 divisors (see below), whose sum is σ = 159211160357424. Its totient is φ = 159210862066800.

The previous prime is 159211011212093. The next prime is 159211011212131. The reversal of 159211011212111 is 111212110112951.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159211011212111 - 2²⁶ = 159210944103247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159211011212131) 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, 72959795 + ... + 75110276.

It is an arithmetic number, because the mean of its divisors is an integer number (39802790089356).

Almost surely, 2^{159211011212111} is an apocalyptic number.

159211011212111 is a deficient number, since it is larger than the sum of its proper divisors (149145313).

159211011212111 is a wasteful number, since it uses less digits than its factorization.

159211011212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149145312.

The product of its (nonzero) digits is 360, while the sum is 29.

The spelling of 159211011212111 in words is "one hundred fifty-nine trillion, two hundred eleven billion, eleven million, two hundred twelve thousand, one hundred eleven".