68501553211 has 16 divisors (see below), whose sum is σ = 86270297344. Its totient is φ = 52938585504.

The previous prime is 68501553203. The next prime is 68501553217. The reversal of 68501553211 is 11235510586.

68501553211 = 19310² + 19311² + ... + 19491².

68501553211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 68501553211 - 2³ = 68501553203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68501553217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8749161 + ... + 8756986.

It is an arithmetic number, because the mean of its divisors is an integer number (5391893584).

Almost surely, 2^68501553211 is an apocalyptic number.

68501553211 is a deficient number, since it is larger than the sum of its proper divisors (17768744133).

68501553211 is a wasteful number, since it uses less digits than its factorization.

68501553211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17506210.

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 68501553211 in words is "sixty-eight billion, five hundred one million, five hundred fifty-three thousand, two hundred eleven".