158011815048 has 64 divisors (see below), whose sum is σ = 399690365760. Its totient is φ = 52050763776.

The previous prime is 158011815047. The next prime is 158011815079. The reversal of 158011815048 is 840518110851.

It is a happy number.

It is a Cunningham number, because it is equal to 397507²-1.

It is not an unprimeable number, because it can be changed into a prime (158011815041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1540336 + ... + 1639712.

It is an arithmetic number, because the mean of its divisors is an integer number (6245161965).

Almost surely, 2^158011815048 is an apocalyptic number.

It is an amenable number.

158011815048 is an abundant number, since it is smaller than the sum of its proper divisors (241678550712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158011815048 is a wasteful number, since it uses less digits than its factorization.

158011815048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100166 (or 100162 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 42.

Adding to 158011815048 its reverse (840518110851), we get a palindrome (998529925899).

The spelling of 158011815048 in words is "one hundred fifty-eight billion, eleven million, eight hundred fifteen thousand, forty-eight".