115448195478 has 288 divisors, whose sum is σ = 306264841344. Its totient is φ = 28924711200.

The previous prime is 115448195461. The next prime is 115448195483. The reversal of 115448195478 is 874591844511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 376052601 + ... + 376052907.

It is an arithmetic number, because the mean of its divisors is an integer number (1063419588).

Almost surely, 2^115448195478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115448195478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153132420672).

115448195478 is an abundant number, since it is smaller than the sum of its proper divisors (190816645866).

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

115448195478 is a wasteful number, since it uses less digits than its factorization.

115448195478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 361 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 57.

The spelling of 115448195478 in words is "one hundred fifteen billion, four hundred forty-eight million, one hundred ninety-five thousand, four hundred seventy-eight".