115570021463 has 32 divisors (see below), whose sum is σ = 127797626880. Its totient is φ = 103868835840.

The previous prime is 115570021453. The next prime is 115570021549. The reversal of 115570021463 is 364120075511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115570021463 - 2⁴ = 115570021447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115570021403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20127773 + ... + 20133513.

It is an arithmetic number, because the mean of its divisors is an integer number (3993675840).

Almost surely, 2^115570021463 is an apocalyptic number.

115570021463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115570021463 is a deficient number, since it is larger than the sum of its proper divisors (12227605417).

115570021463 is a wasteful number, since it uses less digits than its factorization.

115570021463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6107.

The product of its (nonzero) digits is 25200, while the sum is 35.

Adding to 115570021463 its reverse (364120075511), we get a palindrome (479690096974).

The spelling of 115570021463 in words is "one hundred fifteen billion, five hundred seventy million, twenty-one thousand, four hundred sixty-three".