158615135201 has 2 divisors, whose sum is σ = 158615135202. Its totient is φ = 158615135200.

The previous prime is 158615135179. The next prime is 158615135227. The reversal of 158615135201 is 102531516851.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81996895201 + 76618240000 = 286351^2 + 276800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158615135201 is a prime.

It is a super-2 number, since 2×158615135201² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (158615135291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79307567600 + 79307567601.

It is an arithmetic number, because the mean of its divisors is an integer number (79307567601).

Almost surely, 2^158615135201 is an apocalyptic number.

It is an amenable number.

158615135201 is a deficient number, since it is larger than the sum of its proper divisors (1).

158615135201 is an equidigital number, since it uses as much as digits as its factorization.

158615135201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 38.

The spelling of 158615135201 in words is "one hundred fifty-eight billion, six hundred fifteen million, one hundred thirty-five thousand, two hundred one".