157115780158 has 8 divisors (see below), whose sum is σ = 235675606320. Its totient is φ = 78557244720.

The previous prime is 157115780137. The next prime is 157115780183. The reversal of 157115780158 is 851087511751.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84298 + ... + 566866.

It is an arithmetic number, because the mean of its divisors is an integer number (29459450790).

Almost surely, 2^157115780158 is an apocalyptic number.

157115780158 is a deficient number, since it is larger than the sum of its proper divisors (78559826162).

157115780158 is a wasteful number, since it uses less digits than its factorization.

157115780158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645362.

The product of its (nonzero) digits is 392000, while the sum is 49.

The spelling of 157115780158 in words is "one hundred fifty-seven billion, one hundred fifteen million, seven hundred eighty thousand, one hundred fifty-eight".