11645425066 has 32 divisors (see below), whose sum is σ = 19647686592. Its totient is φ = 5130178560.

The previous prime is 11645425061. The next prime is 11645425069. The reversal of 11645425066 is 66052454611.

It is a super-2 number, since 2×11645425066² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11645425061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181365 + ... + 237031.

It is an arithmetic number, because the mean of its divisors is an integer number (613990206).

Almost surely, 2^11645425066 is an apocalyptic number.

11645425066 is a deficient number, since it is larger than the sum of its proper divisors (8002261526).

11645425066 is a wasteful number, since it uses less digits than its factorization.

11645425066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55974.

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 11645425066 its reverse (66052454611), we get a palindrome (77697879677).

The spelling of 11645425066 in words is "eleven billion, six hundred forty-five million, four hundred twenty-five thousand, sixty-six".