15541040223 has 12 divisors (see below), whose sum is σ = 23424176880. Its totient is φ = 9910228416.

The previous prime is 15541040219. The next prime is 15541040227. The reversal of 15541040223 is 32204014551.

15541040223 is a `hidden beast` number, since 1 + 554 + 104 + 0 + 2 + 2 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (15541040219) and next prime (15541040227).

It is not a de Polignac number, because 15541040223 - 2² = 15541040219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15541040227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37538538 + ... + 37538951.

It is an arithmetic number, because the mean of its divisors is an integer number (1952014740).

Almost surely, 2^15541040223 is an apocalyptic number.

15541040223 is a deficient number, since it is larger than the sum of its proper divisors (7883136657).

15541040223 is a wasteful number, since it uses less digits than its factorization.

15541040223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75077518 (or 75077515 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 15541040223 its reverse (32204014551), we get a palindrome (47745054774).

The spelling of 15541040223 in words is "fifteen billion, five hundred forty-one million, forty thousand, two hundred twenty-three".