115415551461 has 16 divisors (see below), whose sum is σ = 177847401600.
Its totient is φ = 65210711808.
The previous prime is 115415551451. The next prime is 115415551501. The reversal of 115415551461 is 164155514511.
It is not a de Polignac number, because 115415551461 - 215 = 115415518693 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115415551451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30874416 + ... + 30878153.
It is an arithmetic number, because the mean of its divisors is an integer number (11115462600).
Almost surely, 2115415551461 is an apocalyptic number.
It is an amenable number.
115415551461 is a deficient number, since it is larger than the sum of its proper divisors (62431850139).
115415551461 is an equidigital number, since it uses as much as digits as its factorization.
115415551461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61752668.
The product of its digits is 60000, while the sum is 39.
The spelling of 115415551461 in words is "one hundred fifteen billion, four hundred fifteen million, five hundred fifty-one thousand, four hundred sixty-one".