155004134963 has 2 divisors, whose sum is σ = 155004134964. Its totient is φ = 155004134962.

The previous prime is 155004134939. The next prime is 155004135023. The reversal of 155004134963 is 369431400551.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (369431400551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155004134963 - 2¹⁰ = 155004133939 is a prime.

It is a super-2 number, since 2×155004134963² (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 155004134963.

It is not a weakly prime, because it can be changed into another prime (155004134933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77502067481 + 77502067482.

It is an arithmetic number, because the mean of its divisors is an integer number (77502067482).

Almost surely, 2^155004134963 is an apocalyptic number.

155004134963 is a deficient number, since it is larger than the sum of its proper divisors (1).

155004134963 is an equidigital number, since it uses as much as digits as its factorization.

155004134963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 155004134963 in words is "one hundred fifty-five billion, four million, one hundred thirty-four thousand, nine hundred sixty-three".