15442455424451 has 16 divisors (see below), whose sum is σ = 16856202021120. Its totient is φ = 14030359065120.

The previous prime is 15442455424441. The next prime is 15442455424471.

15442455424451 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 15442455424451 - 2¹⁰ = 15442455423427 is a prime.

It is a super-2 number, since 2×15442455424451² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15442455424451.

It is not an unprimeable number, because it can be changed into a prime (15442455424441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136712585 + ... + 136825493.

It is an arithmetic number, because the mean of its divisors is an integer number (1053512626320).

Almost surely, 2^{15442455424451} is an apocalyptic number.

15442455424451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15442455424451 is a deficient number, since it is larger than the sum of its proper divisors (1413746596669).

15442455424451 is a wasteful number, since it uses less digits than its factorization.

15442455424451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120106.

The product of its digits is 10240000, while the sum is 50.

It can be divided in two parts, 1544245 and 5424451, that added together give a palindrome (6968696).

The spelling of 15442455424451 in words is "fifteen trillion, four hundred forty-two billion, four hundred fifty-five million, four hundred twenty-four thousand, four hundred fifty-one".