68311554803 has 16 divisors (see below), whose sum is σ = 70270986240. Its totient is φ = 66366696000.

The previous prime is 68311554793. The next prime is 68311554809. The reversal of 68311554803 is 30845511386.

It is a cyclic number.

It is not a de Polignac number, because 68311554803 - 2⁶ = 68311554739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68311554809) 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, 10424378 + ... + 10430928.

It is an arithmetic number, because the mean of its divisors is an integer number (4391936640).

Almost surely, 2^68311554803 is an apocalyptic number.

68311554803 is a deficient number, since it is larger than the sum of its proper divisors (1959431437).

68311554803 is a wasteful number, since it uses less digits than its factorization.

68311554803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7618.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 68311554803 in words is "sixty-eight billion, three hundred eleven million, five hundred fifty-four thousand, eight hundred three".