158733878051 has 12 divisors (see below), whose sum is σ = 184671025920. Its totient is φ = 136041832080.

The previous prime is 158733877999. The next prime is 158733878063. The reversal of 158733878051 is 150878337851.

It is not a de Polignac number, because 158733878051 - 2¹⁴ = 158733861667 is a prime.

It is a super-2 number, since 2×158733878051² (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 (158733878351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249305 + ... + 616133.

It is an arithmetic number, because the mean of its divisors is an integer number (15389252160).

Almost surely, 2^158733878051 is an apocalyptic number.

158733878051 is a deficient number, since it is larger than the sum of its proper divisors (25937147869).

158733878051 is an equidigital number, since it uses as much as digits as its factorization.

158733878051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375674 (or 375667 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 56.

The spelling of 158733878051 in words is "one hundred fifty-eight billion, seven hundred thirty-three million, eight hundred seventy-eight thousand, fifty-one".