6151608639361 has 4 divisors (see below), whose sum is σ = 6178010393412. Its totient is φ = 6125206885312.

The previous prime is 6151608639311. The next prime is 6151608639401. The reversal of 6151608639361 is 1639368061516.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3608081255025 + 2543527384336 = 1899495^2 + 1594844^2 .

It is a cyclic number.

It is not a de Polignac number, because 6151608639361 - 2⁷ = 6151608639233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6151608639311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13200876676 + ... + 13200877141.

It is an arithmetic number, because the mean of its divisors is an integer number (1544502598353).

Almost surely, 2^{6151608639361} is an apocalyptic number.

It is an amenable number.

6151608639361 is a deficient number, since it is larger than the sum of its proper divisors (26401754051).

6151608639361 is a wasteful number, since it uses less digits than its factorization.

6151608639361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26401754050.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 6151608639361 in words is "six trillion, one hundred fifty-one billion, six hundred eight million, six hundred thirty-nine thousand, three hundred sixty-one".