13155554345 has 16 divisors (see below), whose sum is σ = 16334991360. Its totient is φ = 10159068864.

The previous prime is 13155554341. The next prime is 13155554359. The reversal of 13155554345 is 54345555131.

It is a cyclic number.

It is not a de Polignac number, because 13155554345 - 2² = 13155554341 is a prime.

It is a super-2 number, since 2×13155554345² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13155554341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789692 + ... + 806178.

It is an arithmetic number, because the mean of its divisors is an integer number (1020936960).

Almost surely, 2^13155554345 is an apocalyptic number.

It is an amenable number.

13155554345 is a deficient number, since it is larger than the sum of its proper divisors (3179437015).

13155554345 is a wasteful number, since it uses less digits than its factorization.

13155554345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22024.

The product of its digits is 450000, while the sum is 41.

The spelling of 13155554345 in words is "thirteen billion, one hundred fifty-five million, five hundred fifty-four thousand, three hundred forty-five".