115123312001 has 2 divisors, whose sum is σ = 115123312002. Its totient is φ = 115123312000.

The previous prime is 115123311997. The next prime is 115123312067. The reversal of 115123312001 is 100213321511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112192172401 + 2931139600 = 334951^2 + 54140^2 .

It is a cyclic number.

It is not a de Polignac number, because 115123312001 - 2² = 115123311997 is a prime.

It is not a weakly prime, because it can be changed into another prime (115123312201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57561656000 + 57561656001.

It is an arithmetic number, because the mean of its divisors is an integer number (57561656001).

Almost surely, 2^115123312001 is an apocalyptic number.

It is an amenable number.

115123312001 is a deficient number, since it is larger than the sum of its proper divisors (1).

115123312001 is an equidigital number, since it uses as much as digits as its factorization.

115123312001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 115123312001 its reverse (100213321511), we get a palindrome (215336633512).

The spelling of 115123312001 in words is "one hundred fifteen billion, one hundred twenty-three million, three hundred twelve thousand, one".