12578058405435 has 32 divisors (see below), whose sum is σ = 21309983124480. Its totient is φ = 6313315051008.

The previous prime is 12578058405413. The next prime is 12578058405463. The reversal of 12578058405435 is 53450485087521.

It is not a de Polignac number, because 12578058405435 - 2⁷ = 12578058405307 is a prime.

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, 2830686 + ... + 5759244.

It is an arithmetic number, because the mean of its divisors is an integer number (665936972640).

Almost surely, 2^{12578058405435} is an apocalyptic number.

12578058405435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12578058405435 is a deficient number, since it is larger than the sum of its proper divisors (8731924719045).

12578058405435 is a wasteful number, since it uses less digits than its factorization.

12578058405435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945427.

The product of its (nonzero) digits is 26880000, while the sum is 57.

The spelling of 12578058405435 in words is "twelve trillion, five hundred seventy-eight billion, fifty-eight million, four hundred five thousand, four hundred thirty-five".