11645326012 has 12 divisors (see below), whose sum is σ = 20683489960. Its totient is φ = 5735757456.

The previous prime is 11645325961. The next prime is 11645326027. The reversal of 11645326012 is 21062354611.

It is a happy number.

It is a super-2 number, since 2×11645326012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21726087 + ... + 21726622.

Almost surely, 2^11645326012 is an apocalyptic number.

It is an amenable number.

11645326012 is a deficient number, since it is larger than the sum of its proper divisors (9038163948).

11645326012 is a wasteful number, since it uses less digits than its factorization.

11645326012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43452780 (or 43452778 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 11645326012 in words is "eleven billion, six hundred forty-five million, three hundred twenty-six thousand, twelve".