15200845827887 has 4 divisors (see below), whose sum is σ = 15554353870440. Its totient is φ = 14847337785336.

The previous prime is 15200845827823. The next prime is 15200845827917. The reversal of 15200845827887 is 78872854800251.

15200845827887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15200845827887 - 2⁶ = 15200845827823 is a prime.

It is a super-2 number, since 2×15200845827887² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15200845827787) 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, 176754021212 + ... + 176754021297.

It is an arithmetic number, because the mean of its divisors is an integer number (3888588467610).

Almost surely, 2^{15200845827887} is an apocalyptic number.

15200845827887 is a deficient number, since it is larger than the sum of its proper divisors (353508042553).

15200845827887 is an equidigital number, since it uses as much as digits as its factorization.

15200845827887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353508042552.

The product of its (nonzero) digits is 80281600, while the sum is 65.

The spelling of 15200845827887 in words is "fifteen trillion, two hundred billion, eight hundred forty-five million, eight hundred twenty-seven thousand, eight hundred eighty-seven".