157111859349 has 12 divisors (see below), whose sum is σ = 226944139500. Its totient is φ = 104739030144.

The previous prime is 157111859347. The next prime is 157111859357. The reversal of 157111859349 is 943958111751.

157111859349 is a `hidden beast` number, since 1 + 5 + 7 + 1 + 1 + 1 + 8 + 593 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66424752900 + 90687106449 = 257730^2 + 301143^2 .

It is not a de Polignac number, because 157111859349 - 2¹ = 157111859347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157111859295 and 157111859304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157111859347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346827 + ... + 659175.

It is an arithmetic number, because the mean of its divisors is an integer number (18912011625).

Almost surely, 2^157111859349 is an apocalyptic number.

It is an amenable number.

157111859349 is a deficient number, since it is larger than the sum of its proper divisors (69832280151).

157111859349 is a wasteful number, since it uses less digits than its factorization.

157111859349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368244 (or 368241 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 54.

The spelling of 157111859349 in words is "one hundred fifty-seven billion, one hundred eleven million, eight hundred fifty-nine thousand, three hundred forty-nine".