115725835397 has 16 divisors (see below), whose sum is σ = 119529323760. Its totient is φ = 111959221248.

The previous prime is 115725835387. The next prime is 115725835409. The reversal of 115725835397 is 793538527511.

It can be written as a sum of positive squares in 8 ways, for example, as 1806760036 + 113919075361 = 42506^2 + 337519^2 .

It is a cyclic number.

It is not a de Polignac number, because 115725835397 - 2⁶ = 115725835333 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 (115725835307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6744413 + ... + 6761549.

It is an arithmetic number, because the mean of its divisors is an integer number (7470582735).

Almost surely, 2^115725835397 is an apocalyptic number.

It is an amenable number.

115725835397 is a deficient number, since it is larger than the sum of its proper divisors (3803488363).

115725835397 is a wasteful number, since it uses less digits than its factorization.

115725835397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18200.

The product of its digits is 7938000, while the sum is 56.

The spelling of 115725835397 in words is "one hundred fifteen billion, seven hundred twenty-five million, eight hundred thirty-five thousand, three hundred ninety-seven".