611401200451 has 2 divisors, whose sum is σ = 611401200452. Its totient is φ = 611401200450.

The previous prime is 611401200419. The next prime is 611401200559. The reversal of 611401200451 is 154002104116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 611401200451 - 2⁵ = 611401200419 is a prime.

It is a super-3 number, since 3×611401200451³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (611401200251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305700600225 + 305700600226.

It is an arithmetic number, because the mean of its divisors is an integer number (305700600226).

Almost surely, 2^611401200451 is an apocalyptic number.

611401200451 is a deficient number, since it is larger than the sum of its proper divisors (1).

611401200451 is an equidigital number, since it uses as much as digits as its factorization.

611401200451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 611401200451 its reverse (154002104116), we get a palindrome (765403304567).

The spelling of 611401200451 in words is "six hundred eleven billion, four hundred one million, two hundred thousand, four hundred fifty-one".