611257441099 has 2 divisors, whose sum is σ = 611257441100. Its totient is φ = 611257441098.

The previous prime is 611257441051. The next prime is 611257441141. The reversal of 611257441099 is 990144752116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611257441099 - 2³¹ = 609109957451 is a prime.

It is not a weakly prime, because it can be changed into another prime (611257411099) 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, 305628720549 + 305628720550.

It is an arithmetic number, because the mean of its divisors is an integer number (305628720550).

Almost surely, 2^611257441099 is an apocalyptic number.

611257441099 is a deficient number, since it is larger than the sum of its proper divisors (1).

611257441099 is an equidigital number, since it uses as much as digits as its factorization.

611257441099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 611257441099 in words is "six hundred eleven billion, two hundred fifty-seven million, four hundred forty-one thousand, ninety-nine".