115315250143421 has 8 divisors (see below), whose sum is σ = 121430999174400. Its totient is φ = 109204153646400.

The previous prime is 115315250143381. The next prime is 115315250143481. The reversal of 115315250143421 is 124341052513511.

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 115315250143421 - 2²² = 115315245949117 is a prime.

It is a super-2 number, since 2×115315250143421² (a number of 29 digits) contains 22 as substring.

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 (115315250143481) 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, 1163082605 + ... + 1163181746.

It is an arithmetic number, because the mean of its divisors is an integer number (15178874896800).

Almost surely, 2^{115315250143421} is an apocalyptic number.

It is an amenable number.

115315250143421 is a deficient number, since it is larger than the sum of its proper divisors (6115749030979).

115315250143421 is a wasteful number, since it uses less digits than its factorization.

115315250143421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326266979.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 115315250143421 in words is "one hundred fifteen trillion, three hundred fifteen billion, two hundred fifty million, one hundred forty-three thousand, four hundred twenty-one".