158746111091 has 2 divisors, whose sum is σ = 158746111092. Its totient is φ = 158746111090.

The previous prime is 158746111031. The next prime is 158746111171. The reversal of 158746111091 is 190111647851.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158746111091 is a prime.

It is a super-2 number, since 2×158746111091² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (158746111031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79373055545 + 79373055546.

It is an arithmetic number, because the mean of its divisors is an integer number (79373055546).

Almost surely, 2^158746111091 is an apocalyptic number.

158746111091 is a deficient number, since it is larger than the sum of its proper divisors (1).

158746111091 is an equidigital number, since it uses as much as digits as its factorization.

158746111091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 44.

The spelling of 158746111091 in words is "one hundred fifty-eight billion, seven hundred forty-six million, one hundred eleven thousand, ninety-one".