11522045146 has 32 divisors (see below), whose sum is σ = 17857428480. Its totient is φ = 5573097600.

The previous prime is 11522045111. The next prime is 11522045173. The reversal of 11522045146 is 64154022511.

It is a happy number.

It is a super-2 number, since 2×11522045146² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4147710 + ... + 4150486.

It is an arithmetic number, because the mean of its divisors is an integer number (558044640).

Almost surely, 2^11522045146 is an apocalyptic number.

11522045146 is a deficient number, since it is larger than the sum of its proper divisors (6335383334).

11522045146 is a wasteful number, since it uses less digits than its factorization.

11522045146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 11522045146 its reverse (64154022511), we get a palindrome (75676067657).

The spelling of 11522045146 in words is "eleven billion, five hundred twenty-two million, forty-five thousand, one hundred forty-six".