157155606049277 has 32 divisors (see below), whose sum is σ = 172331201894400. Its totient is φ = 142129161623680.

The previous prime is 157155606049249. The next prime is 157155606049289. The reversal of 157155606049277 is 772940606551751.

It is a happy number.

It is not a de Polignac number, because 157155606049277 - 2³² = 157151311081981 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 (157155606049297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30820865474 + ... + 30820870572.

It is an arithmetic number, because the mean of its divisors is an integer number (5385350059200).

Almost surely, 2^{157155606049277} is an apocalyptic number.

It is an amenable number.

157155606049277 is a deficient number, since it is larger than the sum of its proper divisors (15175595845123).

157155606049277 is a wasteful number, since it uses less digits than its factorization.

157155606049277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12481.

The product of its (nonzero) digits is 111132000, while the sum is 65.

The spelling of 157155606049277 in words is "one hundred fifty-seven trillion, one hundred fifty-five billion, six hundred six million, forty-nine thousand, two hundred seventy-seven".