12534773555 has 8 divisors (see below), whose sum is σ = 15043862592. Its totient is φ = 10026395968.

The previous prime is 12534773539. The next prime is 12534773579. The reversal of 12534773555 is 55537743521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12534773555 - 2⁴ = 12534773539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138299 + ... + 210228.

It is an arithmetic number, because the mean of its divisors is an integer number (1880482824).

Almost surely, 2^12534773555 is an apocalyptic number.

12534773555 is a deficient number, since it is larger than the sum of its proper divisors (2509089037).

12534773555 is an equidigital number, since it uses as much as digits as its factorization.

12534773555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355725.

The product of its digits is 2205000, while the sum is 47.

The spelling of 12534773555 in words is "twelve billion, five hundred thirty-four million, seven hundred seventy-three thousand, five hundred fifty-five".