45121606556 has 12 divisors (see below), whose sum is σ = 85036873992. Its totient is φ = 20825356848.

The previous prime is 45121606531. The next prime is 45121606559. The reversal of 45121606556 is 65560612154.

It is a super-2 number, since 2×45121606556² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45121606559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433861550 + ... + 433861653.

It is an arithmetic number, because the mean of its divisors is an integer number (7086406166).

Almost surely, 2^45121606556 is an apocalyptic number.

It is an amenable number.

45121606556 is a deficient number, since it is larger than the sum of its proper divisors (39915267436).

45121606556 is a wasteful number, since it uses less digits than its factorization.

45121606556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867723220 (or 867723218 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 45121606556 in words is "forty-five billion, one hundred twenty-one million, six hundred six thousand, five hundred fifty-six".