187221380000711 has 32 divisors (see below), whose sum is σ = 229349415472128. Its totient is φ = 149172911562240.

The previous prime is 187221380000689. The next prime is 187221380000731. The reversal of 187221380000711 is 117000083122781.

It is a de Polignac number, because none of the positive numbers 2^k-187221380000711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187221380000731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31467221 + ... + 36940881.

It is an arithmetic number, because the mean of its divisors is an integer number (7167169233504).

Almost surely, 2^{187221380000711} is an apocalyptic number.

187221380000711 is a deficient number, since it is larger than the sum of its proper divisors (42128035471417).

187221380000711 is a wasteful number, since it uses less digits than its factorization.

187221380000711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5477231.

The product of its (nonzero) digits is 37632, while the sum is 41.

The spelling of 187221380000711 in words is "one hundred eighty-seven trillion, two hundred twenty-one billion, three hundred eighty million, seven hundred eleven", and thus it is an aban number.