15414021234431 has 4 divisors (see below), whose sum is σ = 15414040371864. Its totient is φ = 15414002097000.

The previous prime is 15414021234407. The next prime is 15414021234467. The reversal of 15414021234431 is 13443212041451.

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

It is a cyclic number.

It is not a de Polignac number, because 15414021234431 - 2²⁶ = 15413954125567 is a prime.

It is a super-2 number, since 2×15414021234431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15414021234391 and 15414021234400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15414021231431) 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, 8304920 + ... + 9989981.

It is an arithmetic number, because the mean of its divisors is an integer number (3853510092966).

Almost surely, 2^{15414021234431} is an apocalyptic number.

15414021234431 is a deficient number, since it is larger than the sum of its proper divisors (19137433).

15414021234431 is an equidigital number, since it uses as much as digits as its factorization.

15414021234431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19137432.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 15414021234431 its reverse (13443212041451), we get a palindrome (28857233275882).

The spelling of 15414021234431 in words is "fifteen trillion, four hundred fourteen billion, twenty-one million, two hundred thirty-four thousand, four hundred thirty-one".