115401512747 has 4 divisors (see below), whose sum is σ = 115734082296. Its totient is φ = 115068943200.

The previous prime is 115401512741. The next prime is 115401512791. The reversal of 115401512747 is 747215104511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115401512747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115401512747.

It is not an unprimeable number, because it can be changed into a prime (115401512741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166284254 + ... + 166284947.

It is an arithmetic number, because the mean of its divisors is an integer number (28933520574).

Almost surely, 2^115401512747 is an apocalyptic number.

115401512747 is a deficient number, since it is larger than the sum of its proper divisors (332569549).

115401512747 is an equidigital number, since it uses as much as digits as its factorization.

115401512747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332569548.

The product of its (nonzero) digits is 39200, while the sum is 38.

The spelling of 115401512747 in words is "one hundred fifteen billion, four hundred one million, five hundred twelve thousand, seven hundred forty-seven".