11506420446 has 16 divisors (see below), whose sum is σ = 23015035008. Its totient is φ = 3835107800.

The previous prime is 11506420433. The next prime is 11506420489. The reversal of 11506420446 is 64402460511.

It is a super-2 number, since 2×11506420446² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18810 + ... + 152861.

It is an arithmetic number, because the mean of its divisors is an integer number (1438439688).

Almost surely, 2^11506420446 is an apocalyptic number.

11506420446 is an abundant number, since it is smaller than the sum of its proper divisors (11508614562).

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

11506420446 is a wasteful number, since it uses less digits than its factorization.

11506420446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182847.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 11506420446 its reverse (64402460511), we get a palindrome (75908880957).

The spelling of 11506420446 in words is "eleven billion, five hundred six million, four hundred twenty thousand, four hundred forty-six".