5155481619456 has 176 divisors, whose sum is σ = 15706330074624. Its totient is φ = 1472801734656.

The previous prime is 5155481619437. The next prime is 5155481619523. The reversal of 5155481619456 is 6549161845515.

It is a self number, because there is not a number n which added to its sum of digits gives 5155481619456.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280897576 + ... + 280915928.

Almost surely, 2^{5155481619456} is an apocalyptic number.

5155481619456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5155481619456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7853165037312).

5155481619456 is an abundant number, since it is smaller than the sum of its proper divisors (10550848455168).

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

5155481619456 is a wasteful number, since it uses less digits than its factorization.

5155481619456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31446 (or 31428 counting only the distinct ones).

The product of its digits is 25920000, while the sum is 60.

The spelling of 5155481619456 in words is "five trillion, one hundred fifty-five billion, four hundred eighty-one million, six hundred nineteen thousand, four hundred fifty-six".