157855356705 has 8 divisors (see below), whose sum is σ = 252568570752. Its totient is φ = 84189523568.

The previous prime is 157855356683. The next prime is 157855356709. The reversal of 157855356705 is 507653558751.

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 157855356705 - 2¹⁹ = 157854832417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157855356709) 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, 5261845209 + ... + 5261845238.

It is an arithmetic number, because the mean of its divisors is an integer number (31571071344).

Almost surely, 2^157855356705 is an apocalyptic number.

157855356705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157855356705 is a deficient number, since it is larger than the sum of its proper divisors (94713214047).

157855356705 is a wasteful number, since it uses less digits than its factorization.

157855356705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10523690455.

The product of its (nonzero) digits is 22050000, while the sum is 57.

The spelling of 157855356705 in words is "one hundred fifty-seven billion, eight hundred fifty-five million, three hundred fifty-six thousand, seven hundred five".