15551041 has 6 divisors (see below), whose sum is σ = 17093426. Its totient is φ = 14137200.

The previous prime is 15551033. The next prime is 15551083. The reversal of 15551041 is 14015551.

15551041 = 1184² + 1185² + ... + 1194².

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13660416 + 1890625 = 3696^2 + 1375^2 .

It is not a de Polignac number, because 15551041 - 2³ = 15551033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15551021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64140 + ... + 64381.

Almost surely, 2^15551041 is an apocalyptic number.

15551041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15551041 is a deficient number, since it is larger than the sum of its proper divisors (1542385).

15551041 is a wasteful number, since it uses less digits than its factorization.

15551041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128543 (or 128532 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 15551041 is about 3943.4808228265. The cubic root of 15551041 is about 249.6049280013.

Adding to 15551041 its reverse (14015551), we get a palindrome (29566592).

It can be divided in two parts, 155510 and 41, that added together give a palindrome (155551).

The spelling of 15551041 in words is "fifteen million, five hundred fifty-one thousand, forty-one".