15550069868 has 12 divisors (see below), whose sum is σ = 27252822912. Its totient is φ = 7763549040.

The previous prime is 15550069861. The next prime is 15550069879. The reversal of 15550069868 is 86896005551.

It is not an unprimeable number, because it can be changed into a prime (15550069861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2868428 + ... + 2873843.

It is an arithmetic number, because the mean of its divisors is an integer number (2271068576).

Almost surely, 2^15550069868 is an apocalyptic number.

It is an amenable number.

15550069868 is a deficient number, since it is larger than the sum of its proper divisors (11702753044).

15550069868 is a wasteful number, since it uses less digits than its factorization.

15550069868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742952 (or 5742950 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 53.

The spelling of 15550069868 in words is "fifteen billion, five hundred fifty million, sixty-nine thousand, eight hundred sixty-eight".