157071705600049 has 4 divisors (see below), whose sum is σ = 157202489702500. Its totient is φ = 156940921497600.

The previous prime is 157071705600031. The next prime is 157071705600079. The reversal of 157071705600049 is 940006507170751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 934060395024 + 156137645205025 = 966468^2 + 12495505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157071705600049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157071705599969 and 157071705600005.

It is not an unprimeable number, because it can be changed into a prime (157071705600079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65392049424 + ... + 65392051825.

It is an arithmetic number, because the mean of its divisors is an integer number (39300622425625).

Almost surely, 2^{157071705600049} is an apocalyptic number.

It is an amenable number.

157071705600049 is a deficient number, since it is larger than the sum of its proper divisors (130784102451).

157071705600049 is a wasteful number, since it uses less digits than its factorization.

157071705600049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130784102450.

The product of its (nonzero) digits is 1852200, while the sum is 52.

The spelling of 157071705600049 in words is "one hundred fifty-seven trillion, seventy-one billion, seven hundred five million, six hundred thousand, forty-nine".