5121435635456 has 72 divisors (see below), whose sum is σ = 11931855559680. Its totient is φ = 2148200930304.

The previous prime is 5121435635441. The next prime is 5121435635471. The reversal of 5121435635456 is 6545365341215.

It is an interprime number because it is at equal distance from previous prime (5121435635441) and next prime (5121435635471).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30319436 + ... + 30487883.

Almost surely, 2^{5121435635456} is an apocalyptic number.

5121435635456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5121435635456 is an abundant number, since it is smaller than the sum of its proper divisors (6810419924224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5121435635456 is an equidigital number, since it uses as much as digits as its factorization.

5121435635456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60807389 (or 60807375 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 50.

The spelling of 5121435635456 in words is "five trillion, one hundred twenty-one billion, four hundred thirty-five million, six hundred thirty-five thousand, four hundred fifty-six".