158851779051 has 16 divisors (see below), whose sum is σ = 242084159744. Its totient is φ = 90763330464.

The previous prime is 158851779013. The next prime is 158851779091. The reversal of 158851779051 is 150977158851.

It is a de Polignac number, because none of the positive numbers 2^k-158851779051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158851778982 and 158851779000.

It is not an unprimeable number, because it can be changed into a prime (158851779091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162781 + ... + 586686.

It is an arithmetic number, because the mean of its divisors is an integer number (15130259984).

Almost surely, 2^158851779051 is an apocalyptic number.

158851779051 is a deficient number, since it is larger than the sum of its proper divisors (83232380693).

158851779051 is a wasteful number, since it uses less digits than its factorization.

158851779051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759570.

The product of its (nonzero) digits is 3528000, while the sum is 57.

The spelling of 158851779051 in words is "one hundred fifty-eight billion, eight hundred fifty-one million, seven hundred seventy-nine thousand, fifty-one".