5781136284505 has 16 divisors (see below), whose sum is σ = 7347918116880. Its totient is φ = 4351389263872.

The previous prime is 5781136284503. The next prime is 5781136284527. The reversal of 5781136284505 is 5054826311875.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 145962966601 + 5635173317904 = 382051^2 + 2373852^2 .

It is a cyclic number.

It is not a de Polignac number, because 5781136284505 - 2¹ = 5781136284503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5781136284503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11201554 + ... + 11706283.

It is an arithmetic number, because the mean of its divisors is an integer number (459244882305).

Almost surely, 2^{5781136284505} is an apocalyptic number.

It is an amenable number.

5781136284505 is a deficient number, since it is larger than the sum of its proper divisors (1566781832375).

5781136284505 is a wasteful number, since it uses less digits than its factorization.

5781136284505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22910828.

The product of its (nonzero) digits is 8064000, while the sum is 55.

The spelling of 5781136284505 in words is "five trillion, seven hundred eighty-one billion, one hundred thirty-six million, two hundred eighty-four thousand, five hundred five".