115415411521 has 8 divisors (see below), whose sum is σ = 119162425088. Its totient is φ = 111669894000.

The previous prime is 115415411519. The next prime is 115415411537. The reversal of 115415411521 is 125114514511.

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

It is a cyclic number.

It is not a de Polignac number, because 115415411521 - 2¹ = 115415411519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115415411581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216150 + ... + 526831.

It is an arithmetic number, because the mean of its divisors is an integer number (14895303136).

Almost surely, 2^115415411521 is an apocalyptic number.

It is an amenable number.

115415411521 is a deficient number, since it is larger than the sum of its proper divisors (3747013567).

115415411521 is an equidigital number, since it uses as much as digits as its factorization.

115415411521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748023.

The product of its digits is 4000, while the sum is 31.

The spelling of 115415411521 in words is "one hundred fifteen billion, four hundred fifteen million, four hundred eleven thousand, five hundred twenty-one".