6121551251 has 16 divisors (see below), whose sum is σ = 6405800544. Its totient is φ = 5844593664.

The previous prime is 6121551229. The next prime is 6121551253. The reversal of 6121551251 is 1521551216.

6121551251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6121551251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6121551253) 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, 626435 + ... + 636131.

It is an arithmetic number, because the mean of its divisors is an integer number (400362534).

Almost surely, 2^6121551251 is an apocalyptic number.

6121551251 is a deficient number, since it is larger than the sum of its proper divisors (284249293).

6121551251 is a wasteful number, since it uses less digits than its factorization.

6121551251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10070.

The product of its digits is 3000, while the sum is 29.

The square root of 6121551251 is about 78240.3428609563. The cubic root of 6121551251 is about 1829.3093884465.

The spelling of 6121551251 in words is "six billion, one hundred twenty-one million, five hundred fifty-one thousand, two hundred fifty-one".