115278961629 has 8 divisors (see below), whose sum is σ = 165528765472. Its totient is φ = 70940899440.

The previous prime is 115278961627. The next prime is 115278961663. The reversal of 115278961629 is 926169872511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115278961629 - 2¹ = 115278961627 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 (115278961621) 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 7 ways as a sum of consecutive naturals, for example, 1477935367 + ... + 1477935444.

It is an arithmetic number, because the mean of its divisors is an integer number (20691095684).

Almost surely, 2^115278961629 is an apocalyptic number.

It is an amenable number.

115278961629 is a deficient number, since it is larger than the sum of its proper divisors (50249803843).

115278961629 is a wasteful number, since it uses less digits than its factorization.

115278961629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955870827.

The product of its digits is 3265920, while the sum is 57.

The spelling of 115278961629 in words is "one hundred fifteen billion, two hundred seventy-eight million, nine hundred sixty-one thousand, six hundred twenty-nine".