158515145780401 has 16 divisors (see below), whose sum is σ = 165092295191040. Its totient is φ = 152013505779520.

The previous prime is 158515145780353. The next prime is 158515145780419. The reversal of 158515145780401 is 104087541515851.

It is a happy number.

It is not a de Polignac number, because 158515145780401 - 2²⁵ = 158515112225969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158515145780701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6630985 + ... + 19000006.

It is an arithmetic number, because the mean of its divisors is an integer number (10318268449440).

Almost surely, 2^{158515145780401} is an apocalyptic number.

It is an amenable number.

158515145780401 is a deficient number, since it is larger than the sum of its proper divisors (6577149410639).

158515145780401 is a wasteful number, since it uses less digits than its factorization.

158515145780401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25632464.

The product of its (nonzero) digits is 4480000, while the sum is 55.

The spelling of 158515145780401 in words is "one hundred fifty-eight trillion, five hundred fifteen billion, one hundred forty-five million, seven hundred eighty thousand, four hundred one".