5538374575261 has 16 divisors (see below), whose sum is σ = 6184159743168. Its totient is φ = 4916373235200.

The previous prime is 5538374575249. The next prime is 5538374575273. The reversal of 5538374575261 is 1625754738355.

It is an interprime number because it is at equal distance from previous prime (5538374575249) and next prime (5538374575273).

It is a cyclic number.

It is not a de Polignac number, because 5538374575261 - 2¹⁹ = 5538374050973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5538374575261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5538374525261) 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, 54516 + ... + 3328621.

It is an arithmetic number, because the mean of its divisors is an integer number (386509983948).

Almost surely, 2^{5538374575261} is an apocalyptic number.

It is an amenable number.

5538374575261 is a deficient number, since it is larger than the sum of its proper divisors (645785167907).

5538374575261 is a wasteful number, since it uses less digits than its factorization.

5538374575261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386652.

The product of its digits is 105840000, while the sum is 61.

The spelling of 5538374575261 in words is "five trillion, five hundred thirty-eight billion, three hundred seventy-four million, five hundred seventy-five thousand, two hundred sixty-one".