155613213303402 has 8 divisors (see below), whose sum is σ = 311226426606816. Its totient is φ = 51871071101132.

The previous prime is 155613213303391. The next prime is 155613213303407. The reversal of 155613213303402 is 204303312316551.

It is a sphenic number, since it is the product of 3 distinct primes.

155613213303402 is an admirable number.

It is a super-2 number, since 2×155613213303402² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155613213303407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12967767775278 + ... + 12967767775289.

It is an arithmetic number, because the mean of its divisors is an integer number (38903303325852).

Almost surely, 2^{155613213303402} is an apocalyptic number.

155613213303402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155613213303402 is a wasteful number, since it uses less digits than its factorization.

155613213303402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25935535550572.

The product of its (nonzero) digits is 194400, while the sum is 39.

Adding to 155613213303402 its reverse (204303312316551), we get a palindrome (359916525619953).

The spelling of 155613213303402 in words is "one hundred fifty-five trillion, six hundred thirteen billion, two hundred thirteen million, three hundred three thousand, four hundred two".