5261161436 has 24 divisors (see below), whose sum is σ = 9319564800. Its totient is φ = 2598607872.

The previous prime is 5261161429. The next prime is 5261161439. The reversal of 5261161436 is 6341611625.

It is a junction number, because it is equal to n+sod(n) for n = 5261161396 and 5261161405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5261161439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96140 + ... + 140588.

It is an arithmetic number, because the mean of its divisors is an integer number (388315200).

Almost surely, 2^5261161436 is an apocalyptic number.

It is an amenable number.

5261161436 is a deficient number, since it is larger than the sum of its proper divisors (4058403364).

5261161436 is a wasteful number, since it uses less digits than its factorization.

5261161436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44813 (or 44811 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 5261161436 is about 72533.8640636220. The cubic root of 5261161436 is about 1739.2441156832.

The spelling of 5261161436 in words is "five billion, two hundred sixty-one million, one hundred sixty-one thousand, four hundred thirty-six".