11825366549 has 8 divisors (see below), whose sum is σ = 12523903128. Its totient is φ = 11127155200.

The previous prime is 11825366513. The next prime is 11825366563. The reversal of 11825366549 is 94566352811.

It can be written as a sum of positive squares in 4 ways, for example, as 516107524 + 11309259025 = 22718^2 + 106345^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11825366549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11825366497 and 11825366506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11825366599) 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, 4352 + ... + 153849.

It is an arithmetic number, because the mean of its divisors is an integer number (1565487891).

Almost surely, 2^11825366549 is an apocalyptic number.

It is an amenable number.

11825366549 is a deficient number, since it is larger than the sum of its proper divisors (698536579).

11825366549 is a wasteful number, since it uses less digits than its factorization.

11825366549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162615.

The product of its digits is 1555200, while the sum is 50.

The spelling of 11825366549 in words is "eleven billion, eight hundred twenty-five million, three hundred sixty-six thousand, five hundred forty-nine".