157310878161259 has 4 divisors (see below), whose sum is σ = 157311324771840. Its totient is φ = 157310431550680.

The previous prime is 157310878161257. The next prime is 157310878161293. The reversal of 157310878161259 is 952161878013751.

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 157310878161259 - 2¹ = 157310878161257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157310878161259.

It is not an unprimeable number, because it can be changed into a prime (157310878161257) 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, 222776524 + ... + 223481545.

It is an arithmetic number, because the mean of its divisors is an integer number (39327831192960).

Almost surely, 2^{157310878161259} is an apocalyptic number.

157310878161259 is a deficient number, since it is larger than the sum of its proper divisors (446610581).

157310878161259 is an equidigital number, since it uses as much as digits as its factorization.

157310878161259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446610580.

The product of its (nonzero) digits is 25401600, while the sum is 64.

The spelling of 157310878161259 in words is "one hundred fifty-seven trillion, three hundred ten billion, eight hundred seventy-eight million, one hundred sixty-one thousand, two hundred fifty-nine".