15551141 has 8 divisors (see below), whose sum is σ = 16593984. Its totient is φ = 14522560.

The previous prime is 15551131. The next prime is 15551147. The reversal of 15551141 is 14115551.

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

It is a cyclic number.

It is not a de Polignac number, because 15551141 - 2²² = 11356837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15551147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265 + ... + 5718.

It is an arithmetic number, because the mean of its divisors is an integer number (2074248).

Almost surely, 2^15551141 is an apocalyptic number.

It is an amenable number.

15551141 is a deficient number, since it is larger than the sum of its proper divisors (1042843).

15551141 is a wasteful number, since it uses less digits than its factorization.

15551141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7131.

The product of its digits is 500, while the sum is 23.

The square root of 15551141 is about 3943.4935019599. The cubic root of 15551141 is about 249.6054630232.

Adding to 15551141 its reverse (14115551), we get a palindrome (29666692).

The spelling of 15551141 in words is "fifteen million, five hundred fifty-one thousand, one hundred forty-one".