157151889839 has 4 divisors (see below), whose sum is σ = 179602159824. Its totient is φ = 134701619856.

The previous prime is 157151889823. The next prime is 157151889847. The reversal of 157151889839 is 938988151751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938988151751 = 13 ⋅72229857827.

It is a cyclic number.

It is not a de Polignac number, because 157151889839 - 2⁴ = 157151889823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157151889239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11225134982 + ... + 11225134995.

It is an arithmetic number, because the mean of its divisors is an integer number (44900539956).

Almost surely, 2^157151889839 is an apocalyptic number.

157151889839 is a deficient number, since it is larger than the sum of its proper divisors (22450269985).

157151889839 is an equidigital number, since it uses as much as digits as its factorization.

157151889839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22450269984.

The product of its digits is 21772800, while the sum is 65.

The spelling of 157151889839 in words is "one hundred fifty-seven billion, one hundred fifty-one million, eight hundred eighty-nine thousand, eight hundred thirty-nine".