115645131604 has 24 divisors (see below), whose sum is σ = 204829509248. Its totient is φ = 57125083680.

The previous prime is 115645131601. The next prime is 115645131607. The reversal of 115645131604 is 406131546511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (115645131601) and next prime (115645131607).

It is a super-3 number, since 3×115645131604³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115645131601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159912 + ... + 506815.

Almost surely, 2^115645131604 is an apocalyptic number.

It is an amenable number.

115645131604 is a deficient number, since it is larger than the sum of its proper divisors (89184377644).

115645131604 is a wasteful number, since it uses less digits than its factorization.

115645131604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667255 (or 667253 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 115645131604 in words is "one hundred fifteen billion, six hundred forty-five million, one hundred thirty-one thousand, six hundred four".