61250351011 has 2 divisors, whose sum is σ = 61250351012. Its totient is φ = 61250351010.

The previous prime is 61250350937. The next prime is 61250351119. The reversal of 61250351011 is 11015305216.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61250351011 - 2²⁵ = 61216796579 is a prime.

It is not a weakly prime, because it can be changed into another prime (61250355011) 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 as a sum of consecutive naturals, namely, 30625175505 + 30625175506.

It is an arithmetic number, because the mean of its divisors is an integer number (30625175506).

Almost surely, 2^61250351011 is an apocalyptic number.

61250351011 is a deficient number, since it is larger than the sum of its proper divisors (1).

61250351011 is an equidigital number, since it uses as much as digits as its factorization.

61250351011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 61250351011 its reverse (11015305216), we get a palindrome (72265656227).

The spelling of 61250351011 in words is "sixty-one billion, two hundred fifty million, three hundred fifty-one thousand, eleven".