115512145601 has 4 divisors (see below), whose sum is σ = 116534377092. Its totient is φ = 114489914112.

The previous prime is 115512145579. The next prime is 115512145613. The reversal of 115512145601 is 106541215511.

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 8285368576 + 107226777025 = 91024^2 + 327455^2 .

It is a cyclic number.

It is not a de Polignac number, because 115512145601 - 2⁶ = 115512145537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115512145201) 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, 511115576 + ... + 511115801.

It is an arithmetic number, because the mean of its divisors is an integer number (29133594273).

Almost surely, 2^115512145601 is an apocalyptic number.

It is an amenable number.

115512145601 is a deficient number, since it is larger than the sum of its proper divisors (1022231491).

115512145601 is a wasteful number, since it uses less digits than its factorization.

115512145601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022231490.

The product of its (nonzero) digits is 6000, while the sum is 32.

The spelling of 115512145601 in words is "one hundred fifteen billion, five hundred twelve million, one hundred forty-five thousand, six hundred one".