157123782547199 has 8 divisors (see below), whose sum is σ = 169216274644032. Its totient is φ = 145032154348320.

The previous prime is 157123782547129. The next prime is 157123782547211. The reversal of 157123782547199 is 991745287321751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157123782547199 - 2²⁴ = 157123765769983 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 (157123782547129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215596712 + ... + 216324269.

It is an arithmetic number, because the mean of its divisors is an integer number (21152034330504).

Almost surely, 2^{157123782547199} is an apocalyptic number.

157123782547199 is a deficient number, since it is larger than the sum of its proper divisors (12092492096833).

157123782547199 is a wasteful number, since it uses less digits than its factorization.

157123782547199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431948977.

The product of its digits is 266716800, while the sum is 71.

The spelling of 157123782547199 in words is "one hundred fifty-seven trillion, one hundred twenty-three billion, seven hundred eighty-two million, five hundred forty-seven thousand, one hundred ninety-nine".