15434522133213 has 16 divisors (see below), whose sum is σ = 21067617105920. Its totient is φ = 10045773937584.

The previous prime is 15434522133179. The next prime is 15434522133221. The reversal of 15434522133213 is 31233122543451.

It is a happy number.

It is not a de Polignac number, because 15434522133213 - 2⁸ = 15434522132957 is a prime.

It is a super-2 number, since 2×15434522133213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15434522133113) 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, 27173581 + ... + 27735762.

It is an arithmetic number, because the mean of its divisors is an integer number (1316726069120).

Almost surely, 2^{15434522133213} is an apocalyptic number.

It is an amenable number.

15434522133213 is a deficient number, since it is larger than the sum of its proper divisors (5633094972707).

15434522133213 is a wasteful number, since it uses less digits than its factorization.

15434522133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54911568.

The product of its digits is 259200, while the sum is 39.

Adding to 15434522133213 its reverse (31233122543451), we get a palindrome (46667644676664).

The spelling of 15434522133213 in words is "fifteen trillion, four hundred thirty-four billion, five hundred twenty-two million, one hundred thirty-three thousand, two hundred thirteen".