155426121624247 has 2 divisors, whose sum is σ = 155426121624248. Its totient is φ = 155426121624246.

The previous prime is 155426121624227. The next prime is 155426121624259. The reversal of 155426121624247 is 742426121624551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155426121624247 - 2⁷ = 155426121624119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155426121624194 and 155426121624203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155426121624227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77713060812123 + 77713060812124.

It is an arithmetic number, because the mean of its divisors is an integer number (77713060812124).

Almost surely, 2^{155426121624247} is an apocalyptic number.

155426121624247 is a deficient number, since it is larger than the sum of its proper divisors (1).

155426121624247 is an equidigital number, since it uses as much as digits as its factorization.

155426121624247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6451200, while the sum is 52.

The spelling of 155426121624247 in words is "one hundred fifty-five trillion, four hundred twenty-six billion, one hundred twenty-one million, six hundred twenty-four thousand, two hundred forty-seven".