115401054221 has 8 divisors (see below), whose sum is σ = 120020618784. Its totient is φ = 110869481520.

The previous prime is 115401054217. The next prime is 115401054229. The reversal of 115401054221 is 122450104511.

It is a happy number.

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 115401054221 - 2² = 115401054217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115401054229) 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, 21995291 + ... + 22000536.

It is an arithmetic number, because the mean of its divisors is an integer number (15002577348).

Almost surely, 2^115401054221 is an apocalyptic number.

It is an amenable number.

115401054221 is a deficient number, since it is larger than the sum of its proper divisors (4619564563).

115401054221 is an equidigital number, since it uses as much as digits as its factorization.

115401054221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43995931.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 115401054221 its reverse (122450104511), we get a palindrome (237851158732).

The spelling of 115401054221 in words is "one hundred fifteen billion, four hundred one million, fifty-four thousand, two hundred twenty-one".