612051621105 has 16 divisors (see below), whose sum is σ = 979306449984. Its totient is φ = 326419579200.

The previous prime is 612051621037. The next prime is 612051621151. The reversal of 612051621105 is 501126150216.

It is not a de Polignac number, because 612051621105 - 2⁸ = 612051620849 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167962 + ... + 1119068.

It is an arithmetic number, because the mean of its divisors is an integer number (61206653124).

Almost surely, 2^612051621105 is an apocalyptic number.

It is an amenable number.

612051621105 is a deficient number, since it is larger than the sum of its proper divisors (367254828879).

612051621105 is a wasteful number, since it uses less digits than its factorization.

612051621105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994016.

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 612051621105 in words is "six hundred twelve billion, fifty-one million, six hundred twenty-one thousand, one hundred five".