158261635811 has 2 divisors, whose sum is σ = 158261635812. Its totient is φ = 158261635810.

The previous prime is 158261635793. The next prime is 158261635841. The reversal of 158261635811 is 118536162851.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 158261635811 - 2²⁶ = 158194526947 is a prime.

It is not a weakly prime, because it can be changed into another prime (158261635841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79130817905 + 79130817906.

It is an arithmetic number, because the mean of its divisors is an integer number (79130817906).

Almost surely, 2^158261635811 is an apocalyptic number.

158261635811 is a deficient number, since it is larger than the sum of its proper divisors (1).

158261635811 is an equidigital number, since it uses as much as digits as its factorization.

158261635811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 47.

The spelling of 158261635811 in words is "one hundred fifty-eight billion, two hundred sixty-one million, six hundred thirty-five thousand, eight hundred eleven".