11542435146 has 192 divisors, whose sum is σ = 29111040000. Its totient is φ = 3385942560.

The previous prime is 11542435133. The next prime is 11542435147. The reversal of 11542435146 is 64153424511.

11542435146 is a `hidden beast` number, since 115 + 4 + 24 + 3 + 514 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11542435146.

It is not an unprimeable number, because it can be changed into a prime (11542435147) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30454785 + ... + 30455163.

It is an arithmetic number, because the mean of its divisors is an integer number (151620000).

Almost surely, 2^11542435146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11542435146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14555520000).

11542435146 is an abundant number, since it is smaller than the sum of its proper divisors (17568604854).

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

11542435146 is a wasteful number, since it uses less digits than its factorization.

11542435146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 533 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

Adding to 11542435146 its reverse (64153424511), we get a palindrome (75695859657).

The spelling of 11542435146 in words is "eleven billion, five hundred forty-two million, four hundred thirty-five thousand, one hundred forty-six".