611414400251 has 2 divisors, whose sum is σ = 611414400252. Its totient is φ = 611414400250.

The previous prime is 611414400161. The next prime is 611414400281. The reversal of 611414400251 is 152004414116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611414400251 - 2²² = 611410205947 is a prime.

It is not a weakly prime, because it can be changed into another prime (611414400281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305707200125 + 305707200126.

It is an arithmetic number, because the mean of its divisors is an integer number (305707200126).

Almost surely, 2^611414400251 is an apocalyptic number.

611414400251 is a deficient number, since it is larger than the sum of its proper divisors (1).

611414400251 is an equidigital number, since it uses as much as digits as its factorization.

611414400251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 611414400251 its reverse (152004414116), we get a palindrome (763418814367).

The spelling of 611414400251 in words is "six hundred eleven billion, four hundred fourteen million, four hundred thousand, two hundred fifty-one".