5325533538138 has 256 divisors, whose sum is σ = 14470090905600. Its totient is φ = 1432386063360.

The previous prime is 5325533538119. The next prime is 5325533538139. The reversal of 5325533538138 is 8318353355235.

5325533538138 is a `hidden beast` number, since 5 + 3 + 2 + 553 + 3 + 5 + 3 + 81 + 3 + 8 = 666.

It is a super-2 number, since 2×5325533538138² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (5325533538139) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12380745 + ... + 12803667.

It is an arithmetic number, because the mean of its divisors is an integer number (56523792600).

Almost surely, 2^{5325533538138} is an apocalyptic number.

5325533538138 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5325533538138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7235045452800).

5325533538138 is an abundant number, since it is smaller than the sum of its proper divisors (9144557367462).

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

5325533538138 is a wasteful number, since it uses less digits than its factorization.

5325533538138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423034 (or 423028 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 54.

The spelling of 5325533538138 in words is "five trillion, three hundred twenty-five billion, five hundred thirty-three million, five hundred thirty-eight thousand, one hundred thirty-eight".