157349567551 has 4 divisors (see below), whose sum is σ = 171654073704. Its totient is φ = 143045061400.

The previous prime is 157349567519. The next prime is 157349567561. The reversal of 157349567551 is 155765943751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157349567551 - 2⁵ = 157349567519 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 (157349567561) 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, 7152253060 + ... + 7152253081.

It is an arithmetic number, because the mean of its divisors is an integer number (42913518426).

Almost surely, 2^157349567551 is an apocalyptic number.

157349567551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

157349567551 is a deficient number, since it is larger than the sum of its proper divisors (14304506153).

157349567551 is a wasteful number, since it uses less digits than its factorization.

157349567551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14304506152.

The product of its digits is 19845000, while the sum is 58.

The spelling of 157349567551 in words is "one hundred fifty-seven billion, three hundred forty-nine million, five hundred sixty-seven thousand, five hundred fifty-one".