13400451343555 has 32 divisors (see below), whose sum is σ = 16819564889088. Its totient is φ = 10229919638400.

The previous prime is 13400451343501. The next prime is 13400451343583. The reversal of 13400451343555 is 55534315400431.

It is not a de Polignac number, because 13400451343555 - 2⁹ = 13400451343043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92593200 + ... + 92737810.

It is an arithmetic number, because the mean of its divisors is an integer number (525611402784).

Almost surely, 2^{13400451343555} is an apocalyptic number.

13400451343555 is a deficient number, since it is larger than the sum of its proper divisors (3419113545533).

13400451343555 is a wasteful number, since it uses less digits than its factorization.

13400451343555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146547.

The product of its (nonzero) digits is 1080000, while the sum is 43.

Adding to 13400451343555 its reverse (55534315400431), we get a palindrome (68934766743986).

The spelling of 13400451343555 in words is "thirteen trillion, four hundred billion, four hundred fifty-one million, three hundred forty-three thousand, five hundred fifty-five".