155368082264531 has 2 divisors, whose sum is σ = 155368082264532. Its totient is φ = 155368082264530.

The previous prime is 155368082264513. The next prime is 155368082264539. The reversal of 155368082264531 is 135462280863551.

It is a happy number.

Together with previous prime (155368082264513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155368082264531 - 2¹⁸ = 155368082002387 is a prime.

It is a super-2 number, since 2×155368082264531² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (155368082264539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77684041132265 + 77684041132266.

It is an arithmetic number, because the mean of its divisors is an integer number (77684041132266).

Almost surely, 2^{155368082264531} is an apocalyptic number.

155368082264531 is a deficient number, since it is larger than the sum of its proper divisors (1).

155368082264531 is an equidigital number, since it uses as much as digits as its factorization.

155368082264531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472000, while the sum is 59.

The spelling of 155368082264531 in words is "one hundred fifty-five trillion, three hundred sixty-eight billion, eighty-two million, two hundred sixty-four thousand, five hundred thirty-one".