13501115334 has 144 divisors (see below), whose sum is σ = 34741115136. Its totient is φ = 3777429600.

The previous prime is 13501115297. The next prime is 13501115357. The reversal of 13501115334 is 43351110531.

It is a happy number.

13501115334 is a `hidden beast` number, since 1 + 3 + 501 + 1 + 153 + 3 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 13501115298 and 13501115307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10457229 + ... + 10458519.

It is an arithmetic number, because the mean of its divisors is an integer number (241257744).

Almost surely, 2^13501115334 is an apocalyptic number.

13501115334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13501115334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17370557568).

13501115334 is an abundant number, since it is smaller than the sum of its proper divisors (21239999802).

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

13501115334 is a wasteful number, since it uses less digits than its factorization.

13501115334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 13501115334 its reverse (43351110531), we get a palindrome (56852225865).

The spelling of 13501115334 in words is "thirteen billion, five hundred one million, one hundred fifteen thousand, three hundred thirty-four".