6151121463 has 32 divisors (see below), whose sum is σ = 8653004800. Its totient is φ = 3881779200.

The previous prime is 6151121447. The next prime is 6151121497. The reversal of 6151121463 is 3641211516.

It is a happy number.

It is not a de Polignac number, because 6151121463 - 2⁴ = 6151121447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6151121463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6151121443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 796983 + ... + 804663.

It is an arithmetic number, because the mean of its divisors is an integer number (270406400).

Almost surely, 2^6151121463 is an apocalyptic number.

6151121463 is a deficient number, since it is larger than the sum of its proper divisors (2501883337).

6151121463 is a wasteful number, since it uses less digits than its factorization.

6151121463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7903.

The product of its digits is 4320, while the sum is 30.

The square root of 6151121463 is about 78429.0855677917. The cubic root of 6151121463 is about 1832.2501572255.

Adding to 6151121463 its reverse (3641211516), we get a palindrome (9792332979).

The spelling of 6151121463 in words is "six billion, one hundred fifty-one million, one hundred twenty-one thousand, four hundred sixty-three".