115243251421403 has 16 divisors (see below), whose sum is σ = 138638916049920. Its totient is φ = 93580703899776.

The previous prime is 115243251421351. The next prime is 115243251421433. The reversal of 115243251421403 is 304124152342511.

It is a cyclic number.

It is not a de Polignac number, because 115243251421403 - 2¹⁰ = 115243251420379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115243251421433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50720126 + ... + 52943532.

It is an arithmetic number, because the mean of its divisors is an integer number (8664932253120).

Almost surely, 2^{115243251421403} is an apocalyptic number.

115243251421403 is a deficient number, since it is larger than the sum of its proper divisors (23395664628517).

115243251421403 is a wasteful number, since it uses less digits than its factorization.

115243251421403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613146.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 115243251421403 in words is "one hundred fifteen trillion, two hundred forty-three billion, two hundred fifty-one million, four hundred twenty-one thousand, four hundred three".