157855101285 has 64 divisors (see below), whose sum is σ = 291953664000. Its totient is φ = 71340901632.

The previous prime is 157855101259. The next prime is 157855101301. The reversal of 157855101285 is 582101558751.

It is not a de Polignac number, because 157855101285 - 2⁶ = 157855101221 is a prime.

It is a Curzon number.

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 63 ways as a sum of consecutive naturals, for example, 3256456 + ... + 3304574.

It is an arithmetic number, because the mean of its divisors is an integer number (4561776000).

Almost surely, 2^157855101285 is an apocalyptic number.

157855101285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157855101285 is a deficient number, since it is larger than the sum of its proper divisors (134098562715).

157855101285 is a wasteful number, since it uses less digits than its factorization.

157855101285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48490.

The product of its (nonzero) digits is 560000, while the sum is 48.

The spelling of 157855101285 in words is "one hundred fifty-seven billion, eight hundred fifty-five million, one hundred one thousand, two hundred eighty-five".