13155212233552 has 20 divisors (see below), whose sum is σ = 25492258760436. Its totient is φ = 6576564811520.

The previous prime is 13155212233547. The next prime is 13155212233561. The reversal of 13155212233552 is 25533221255131.

It can be written as a sum of positive squares in 2 ways, for example, as 11141469597456 + 2013742636096 = 3337884^2 + 1419064^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64977349 + ... + 65179492.

Almost surely, 2^{13155212233552} is an apocalyptic number.

It is an amenable number.

13155212233552 is a deficient number, since it is larger than the sum of its proper divisors (12337046526884).

13155212233552 is a wasteful number, since it uses less digits than its factorization.

13155212233552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130163166 (or 130163160 counting only the distinct ones).

The product of its digits is 270000, while the sum is 40.

Adding to 13155212233552 its reverse (25533221255131), we get a palindrome (38688433488683).

The spelling of 13155212233552 in words is "thirteen trillion, one hundred fifty-five billion, two hundred twelve million, two hundred thirty-three thousand, five hundred fifty-two".