15555066500011 has 8 divisors (see below), whose sum is σ = 15975571986560. Its totient is φ = 15134566186368.

The previous prime is 15555066499991. The next prime is 15555066500027. The reversal of 15555066500011 is 11000566055551.

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 15555066500011 - 2³¹ = 15552919016363 is a prime.

It is a super-2 number, since 2×15555066500011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15555066500411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5242630 + ... + 7654756.

It is an arithmetic number, because the mean of its divisors is an integer number (1996946498320).

Almost surely, 2^{15555066500011} is an apocalyptic number.

15555066500011 is a deficient number, since it is larger than the sum of its proper divisors (420505486549).

15555066500011 is a wasteful number, since it uses less digits than its factorization.

15555066500011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586453.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 15555066500011 in words is "fifteen trillion, five hundred fifty-five billion, sixty-six million, five hundred thousand, eleven".