15115452451423 has 4 divisors (see below), whose sum is σ = 15116651056728. Its totient is φ = 15114253846120.

The previous prime is 15115452451417. The next prime is 15115452451469. The reversal of 15115452451423 is 32415425451151.

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 15115452451423 - 2¹⁷ = 15115452320351 is a prime.

It is a super-2 number, since 2×15115452451423² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15115452451423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15115452451223) 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, 599283736 + ... + 599308957.

It is an arithmetic number, because the mean of its divisors is an integer number (3779162764182).

Almost surely, 2^{15115452451423} is an apocalyptic number.

15115452451423 is a deficient number, since it is larger than the sum of its proper divisors (1198605305).

15115452451423 is a wasteful number, since it uses less digits than its factorization.

15115452451423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198605304.

The product of its digits is 480000, while the sum is 43.

The spelling of 15115452451423 in words is "fifteen trillion, one hundred fifteen billion, four hundred fifty-two million, four hundred fifty-one thousand, four hundred twenty-three".