15430404200551 has 4 divisors (see below), whose sum is σ = 15435719533872. Its totient is φ = 15425088867232.

The previous prime is 15430404200537. The next prime is 15430404200699. The reversal of 15430404200551 is 15500240403451.

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 15430404200551 - 2⁹ = 15430404200039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15430404200521) 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, 2657662306 + ... + 2657668111.

It is an arithmetic number, because the mean of its divisors is an integer number (3858929883468).

Almost surely, 2^{15430404200551} is an apocalyptic number.

15430404200551 is a deficient number, since it is larger than the sum of its proper divisors (5315333321).

15430404200551 is an equidigital number, since it uses as much as digits as its factorization.

15430404200551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5315333320.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 15430404200551 in words is "fifteen trillion, four hundred thirty billion, four hundred four million, two hundred thousand, five hundred fifty-one".