155132255519 has 2 divisors, whose sum is σ = 155132255520. Its totient is φ = 155132255518.

The previous prime is 155132255461. The next prime is 155132255557. The reversal of 155132255519 is 915552231551.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155132255519 - 2²⁴ = 155115478303 is a prime.

It is a super-2 number, since 2×155132255519² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155132255519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155132255569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77566127759 + 77566127760.

It is an arithmetic number, because the mean of its divisors is an integer number (77566127760).

Almost surely, 2^155132255519 is an apocalyptic number.

155132255519 is a deficient number, since it is larger than the sum of its proper divisors (1).

155132255519 is an equidigital number, since it uses as much as digits as its factorization.

155132255519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 337500, while the sum is 44.

The spelling of 155132255519 in words is "one hundred fifty-five billion, one hundred thirty-two million, two hundred fifty-five thousand, five hundred nineteen".