5246538455591 has 4 divisors (see below), whose sum is σ = 5246561642784. Its totient is φ = 5246515268400.

The previous prime is 5246538455579. The next prime is 5246538455663. The reversal of 5246538455591 is 1955548356425.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5246538455591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5246538455551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11250815 + ... + 11707856.

It is an arithmetic number, because the mean of its divisors is an integer number (1311640410696).

Almost surely, 2^{5246538455591} is an apocalyptic number.

5246538455591 is a deficient number, since it is larger than the sum of its proper divisors (23187193).

5246538455591 is a wasteful number, since it uses less digits than its factorization.

5246538455591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23187192.

The product of its digits is 129600000, while the sum is 62.

The spelling of 5246538455591 in words is "five trillion, two hundred forty-six billion, five hundred thirty-eight million, four hundred fifty-five thousand, five hundred ninety-one".