5815049426865 has 112 divisors (see below), whose sum is σ = 11969514281088. Its totient is φ = 2655507794688.

The previous prime is 5815049426839. The next prime is 5815049426903. The reversal of 5815049426865 is 5686249405185.

5815049426865 is a `hidden beast` number, since 5 + 8 + 1 + 504 + 9 + 4 + 2 + 68 + 65 = 666.

It is not a de Polignac number, because 5815049426865 - 2⁵ = 5815049426833 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 24196222 + ... + 24435368.

It is an arithmetic number, because the mean of its divisors is an integer number (106870663224).

Almost surely, 2^{5815049426865} is an apocalyptic number.

It is an amenable number.

5815049426865 is an abundant number, since it is smaller than the sum of its proper divisors (6154464854223).

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

5815049426865 is an equidigital number, since it uses as much as digits as its factorization.

5815049426865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240130 (or 240115 counting only the distinct ones).

The product of its (nonzero) digits is 82944000, while the sum is 63.

The spelling of 5815049426865 in words is "five trillion, eight hundred fifteen billion, forty-nine million, four hundred twenty-six thousand, eight hundred sixty-five".