11634120450 has 96 divisors (see below), whose sum is σ = 32352988800. Its totient is φ = 3073930560.

The previous prime is 11634120403. The next prime is 11634120457. The reversal of 11634120450 is 5402143611.

It is a happy number.

11634120450 is a `hidden beast` number, since 1 + 1 + 634 + 1 + 20 + 4 + 5 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (11634120457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107619 + ... + 186681.

It is an arithmetic number, because the mean of its divisors is an integer number (337010300).

Almost surely, 2^11634120450 is an apocalyptic number.

11634120450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11634120450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16176494400).

11634120450 is an abundant number, since it is smaller than the sum of its proper divisors (20718868350).

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

11634120450 is a wasteful number, since it uses less digits than its factorization.

11634120450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79193 (or 79182 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 11634120450 in words is "eleven billion, six hundred thirty-four million, one hundred twenty thousand, four hundred fifty".