115415551501 has 2 divisors, whose sum is σ = 115415551502. Its totient is φ = 115415551500.

The previous prime is 115415551451. The next prime is 115415551507. The reversal of 115415551501 is 105155514511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110141015625 + 5274535876 = 331875^2 + 72626^2 .

It is a cyclic number.

It is not a de Polignac number, because 115415551501 - 2⁹ = 115415550989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115415551507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57707775750 + 57707775751.

It is an arithmetic number, because the mean of its divisors is an integer number (57707775751).

Almost surely, 2^115415551501 is an apocalyptic number.

It is an amenable number.

115415551501 is a deficient number, since it is larger than the sum of its proper divisors (1).

115415551501 is an equidigital number, since it uses as much as digits as its factorization.

115415551501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12500, while the sum is 34.

The spelling of 115415551501 in words is "one hundred fifteen billion, four hundred fifteen million, five hundred fifty-one thousand, five hundred one".