155155003213 has 24 divisors (see below), whose sum is σ = 182253304800. Its totient is φ = 131689198368.

The previous prime is 155155003189. The next prime is 155155003229. The reversal of 155155003213 is 312300551551.

It is a de Polignac number, because none of the positive numbers 2^k-155155003213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155155003243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15404143 + ... + 15414211.

It is an arithmetic number, because the mean of its divisors is an integer number (7593887700).

Almost surely, 2^155155003213 is an apocalyptic number.

It is an amenable number.

155155003213 is a deficient number, since it is larger than the sum of its proper divisors (27098301587).

155155003213 is a wasteful number, since it uses less digits than its factorization.

155155003213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13129 (or 13122 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 31.

Adding to 155155003213 its reverse (312300551551), we get a palindrome (467455554764).

The spelling of 155155003213 in words is "one hundred fifty-five billion, one hundred fifty-five million, three thousand, two hundred thirteen".