5051059999981 has 16 divisors (see below), whose sum is σ = 5277401164800. Its totient is φ = 4825283224960.

The previous prime is 5051059999849. The next prime is 5051060000003. The reversal of 5051059999981 is 1899999501505.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5051059999981 is a prime.

It is a super-2 number, since 2×5051059999981² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5051059999981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5051059993981) 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, 65125281 + ... + 65202793.

It is an arithmetic number, because the mean of its divisors is an integer number (329837572800).

Almost surely, 2^{5051059999981} is an apocalyptic number.

It is an amenable number.

5051059999981 is a deficient number, since it is larger than the sum of its proper divisors (226341164819).

5051059999981 is a wasteful number, since it uses less digits than its factorization.

5051059999981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81116.

The product of its (nonzero) digits is 59049000, while the sum is 70.

The spelling of 5051059999981 in words is "five trillion, fifty-one billion, fifty-nine million, nine hundred ninety-nine thousand, nine hundred eighty-one".