155426121624511 has 2 divisors, whose sum is σ = 155426121624512. Its totient is φ = 155426121624510.

The previous prime is 155426121624509. The next prime is 155426121624539. The reversal of 155426121624511 is 115426121624551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155426121624511 - 2¹ = 155426121624509 is a prime.

Together with 155426121624509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155426121624311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77713060812255 + 77713060812256.

It is an arithmetic number, because the mean of its divisors is an integer number (77713060812256).

Almost surely, 2^{155426121624511} is an apocalyptic number.

155426121624511 is a deficient number, since it is larger than the sum of its proper divisors (1).

155426121624511 is an equidigital number, since it uses as much as digits as its factorization.

155426121624511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576000, while the sum is 46.

The spelling of 155426121624511 in words is "one hundred fifty-five trillion, four hundred twenty-six billion, one hundred twenty-one million, six hundred twenty-four thousand, five hundred eleven".