5261081061239 has 8 divisors (see below), whose sum is σ = 5320463616000. Its totient is φ = 5201704490752.

The previous prime is 5261081061227. The next prime is 5261081061259. The reversal of 5261081061239 is 9321601801625.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5261081061239 - 2²⁴ = 5261064284023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5261081061239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5261081061259) 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, 284042 + ... + 3256200.

It is an arithmetic number, because the mean of its divisors is an integer number (665057952000).

Almost surely, 2^{5261081061239} is an apocalyptic number.

5261081061239 is a deficient number, since it is larger than the sum of its proper divisors (59382554761).

5261081061239 is a wasteful number, since it uses less digits than its factorization.

5261081061239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992137.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 5261081061239 in words is "five trillion, two hundred sixty-one billion, eighty-one million, sixty-one thousand, two hundred thirty-nine".