12010555511 has 2 divisors, whose sum is σ = 12010555512. Its totient is φ = 12010555510.

The previous prime is 12010555499. The next prime is 12010555537. The reversal of 12010555511 is 11555501021.

It is an a-pointer prime, because the next prime (12010555537) can be obtained adding 12010555511 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (11555501021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12010555511 is a prime.

It is a super-2 number, since 2×12010555511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12010555561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005277755 + 6005277756.

It is an arithmetic number, because the mean of its divisors is an integer number (6005277756).

Almost surely, 2^12010555511 is an apocalyptic number.

12010555511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010555511 is an equidigital number, since it uses as much as digits as its factorization.

12010555511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1250, while the sum is 26.

It can be divided in two parts, 120105 and 55511, that added together give a cube (175616 = 56³).

The spelling of 12010555511 in words is "twelve billion, ten million, five hundred fifty-five thousand, five hundred eleven".