5211451081630 has 32 divisors (see below), whose sum is σ = 9386178761664. Its totient is φ = 2083343725056.

The previous prime is 5211451081607. The next prime is 5211451081633. The reversal of 5211451081630 is 361801541125.

It is a self number, because there is not a number n which added to its sum of digits gives 5211451081630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211451081633) 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, 139336092 + ... + 139373488.

It is an arithmetic number, because the mean of its divisors is an integer number (293318086302).

Almost surely, 2^{5211451081630} is an apocalyptic number.

5211451081630 is a deficient number, since it is larger than the sum of its proper divisors (4174727680034).

5211451081630 is a wasteful number, since it uses less digits than its factorization.

5211451081630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45300.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 5211451081630 in words is "five trillion, two hundred eleven billion, four hundred fifty-one million, eighty-one thousand, six hundred thirty".