2255561431511 has 2 divisors, whose sum is σ = 2255561431512. Its totient is φ = 2255561431510.

The previous prime is 2255561431499. The next prime is 2255561431523. The reversal of 2255561431511 is 1151341655522.

It is a balanced prime because it is at equal distance from previous prime (2255561431499) and next prime (2255561431523).

It is a cyclic number.

It is not a de Polignac number, because 2255561431511 - 2⁶ = 2255561431447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2255561431561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127780715755 + 1127780715756.

It is an arithmetic number, because the mean of its divisors is an integer number (1127780715756).

Almost surely, 2^{2255561431511} is an apocalyptic number.

2255561431511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255561431511 is an equidigital number, since it uses as much as digits as its factorization.

2255561431511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180000, while the sum is 41.

The spelling of 2255561431511 in words is "two trillion, two hundred fifty-five billion, five hundred sixty-one million, four hundred thirty-one thousand, five hundred eleven".