158085637811 has 8 divisors (see below), whose sum is σ = 158322663744. Its totient is φ = 157848710400.

The previous prime is 158085637807. The next prime is 158085637841. The reversal of 158085637811 is 118736580851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158085637811 - 2² = 158085637807 is a prime.

It is a super-2 number, since 2×158085637811² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158085637841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3574886 + ... + 3618836.

It is an arithmetic number, because the mean of its divisors is an integer number (19790332968).

Almost surely, 2^158085637811 is an apocalyptic number.

158085637811 is a deficient number, since it is larger than the sum of its proper divisors (237025933).

158085637811 is an equidigital number, since it uses as much as digits as its factorization.

158085637811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49261.

The product of its (nonzero) digits is 1612800, while the sum is 53.

The spelling of 158085637811 in words is "one hundred fifty-eight billion, eighty-five million, six hundred thirty-seven thousand, eight hundred eleven".