11523130201134 has 128 divisors (see below), whose sum is σ = 27882884949120. Its totient is φ = 3512739944448.

The previous prime is 11523130201133. The next prime is 11523130201159. The reversal of 11523130201134 is 43110203132511.

11523130201134 is a `hidden beast` number, since 1 + 1 + 523 + 1 + 3 + 0 + 2 + 0 + 1 + 134 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11523130201098 and 11523130201107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523130201133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25488184 + ... + 25936340.

It is an arithmetic number, because the mean of its divisors is an integer number (217835038665).

Almost surely, 2^{11523130201134} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11523130201134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13941442474560).

11523130201134 is an abundant number, since it is smaller than the sum of its proper divisors (16359754747986).

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

11523130201134 is a wasteful number, since it uses less digits than its factorization.

11523130201134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448979 (or 448973 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 11523130201134 its reverse (43110203132511), we get a palindrome (54633333333645).

The spelling of 11523130201134 in words is "eleven trillion, five hundred twenty-three billion, one hundred thirty million, two hundred one thousand, one hundred thirty-four".