15555056066051 has 8 divisors (see below), whose sum is σ = 16483637340864. Its totient is φ = 14627983455360.

The previous prime is 15555056066021. The next prime is 15555056066107. The reversal of 15555056066051 is 15066065055551.

15555056066051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15555056066051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15555056066021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377144795 + ... + 377186036.

It is an arithmetic number, because the mean of its divisors is an integer number (2060454667608).

Almost surely, 2^{15555056066051} is an apocalyptic number.

15555056066051 is a deficient number, since it is larger than the sum of its proper divisors (928581274813).

15555056066051 is a wasteful number, since it uses less digits than its factorization.

15555056066051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754332061.

The product of its (nonzero) digits is 3375000, while the sum is 50.

The spelling of 15555056066051 in words is "fifteen trillion, five hundred fifty-five billion, fifty-six million, sixty-six thousand, fifty-one".