651124004056 has 32 divisors (see below), whose sum is σ = 1329427422000. Its totient is φ = 297791738496.

The previous prime is 651124004053. The next prime is 651124004081. The reversal of 651124004056 is 650400421156.

It is a super-2 number, since 2×651124004056² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651124004053) by changing a digit.

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, 73852671 + ... + 73861486.

Almost surely, 2^651124004056 is an apocalyptic number.

It is an amenable number.

651124004056 is an abundant number, since it is smaller than the sum of its proper divisors (678303417944).

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

651124004056 is a wasteful number, since it uses less digits than its factorization.

651124004056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147714211 (or 147714207 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 651124004056 in words is "six hundred fifty-one billion, one hundred twenty-four million, four thousand, fifty-six".