115415666460 has 72 divisors (see below), whose sum is σ = 350312114880. Its totient is φ = 30758352768.

The previous prime is 115415666411. The next prime is 115415666479. The reversal of 115415666460 is 64666514511.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 91581 + ... + 489099.

It is an arithmetic number, because the mean of its divisors is an integer number (4865446040).

Almost surely, 2^115415666460 is an apocalyptic number.

115415666460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115415666460 is an abundant number, since it is smaller than the sum of its proper divisors (234896448420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115415666460 is a wasteful number, since it uses less digits than its factorization.

115415666460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399147 (or 399142 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

It can be divided in two parts, 115415 and 666460, that added together give a triangular number (781875 = T₁₂₅₀).

The spelling of 115415666460 in words is "one hundred fifteen billion, four hundred fifteen million, six hundred sixty-six thousand, four hundred sixty".