158111579 has 2 divisors, whose sum is σ = 158111580. Its totient is φ = 158111578.

The previous prime is 158111537. The next prime is 158111587. The reversal of 158111579 is 975111851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158111579 - 2¹⁶ = 158046043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (158111279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79055789 + 79055790.

It is an arithmetic number, because the mean of its divisors is an integer number (79055790).

Almost surely, 2^158111579 is an apocalyptic number.

158111579 is a deficient number, since it is larger than the sum of its proper divisors (1).

158111579 is an equidigital number, since it uses as much as digits as its factorization.

158111579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 38.

The square root of 158111579 is about 12574.2426809729. The cubic root of 158111579 is about 540.7392470147.

The spelling of 158111579 in words is "one hundred fifty-eight million, one hundred eleven thousand, five hundred seventy-nine".