5351811591885 has 64 divisors (see below), whose sum is σ = 9633850490880. Its totient is φ = 2514516238080.

The previous prime is 5351811591857. The next prime is 5351811591887. The reversal of 5351811591885 is 5881951181535.

It is a happy number.

It is not a de Polignac number, because 5351811591885 - 2⁶ = 5351811591821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5351811591887) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2068650 + ... + 3870779.

It is an arithmetic number, because the mean of its divisors is an integer number (150528913920).

Almost surely, 2^{5351811591885} is an apocalyptic number.

5351811591885 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5351811591885 is a deficient number, since it is larger than the sum of its proper divisors (4282038898995).

5351811591885 is a wasteful number, since it uses less digits than its factorization.

5351811591885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939618.

The product of its digits is 8640000, while the sum is 60.

The spelling of 5351811591885 in words is "five trillion, three hundred fifty-one billion, eight hundred eleven million, five hundred ninety-one thousand, eight hundred eighty-five".