5185557570816 has 288 divisors, whose sum is σ = 17932835486720. Its totient is φ = 1447131764736.

The previous prime is 5185557570737. The next prime is 5185557570871. The reversal of 5185557570816 is 6180757555815.

5185557570816 is a `hidden beast` number, since 5 + 1 + 8 + 5 + 5 + 57 + 570 + 8 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

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, 834291 + ... + 3326733.

Almost surely, 2^{5185557570816} is an apocalyptic number.

5185557570816 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 5185557570816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8966417743360).

5185557570816 is an abundant number, since it is smaller than the sum of its proper divisors (12747277915904).

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

5185557570816 is a wasteful number, since it uses less digits than its factorization.

5185557570816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492518 (or 2492498 counting only the distinct ones).

The product of its (nonzero) digits is 58800000, while the sum is 63.

The spelling of 5185557570816 in words is "five trillion, one hundred eighty-five billion, five hundred fifty-seven million, five hundred seventy thousand, eight hundred sixteen".