5011111051020 has 72 divisors (see below), whose sum is σ = 15383507224176. Its totient is φ = 1320196321152.

The previous prime is 5011111051003. The next prime is 5011111051031. The reversal of 5011111051020 is 201501111105.

5011111051020 is a `hidden beast` number, since 501 + 1 + 1 + 110 + 51 + 0 + 2 + 0 = 666.

It is a super-2 number, since 2×5011111051020² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 5011111050984 and 5011111051002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167692927 + ... + 167722806.

It is an arithmetic number, because the mean of its divisors is an integer number (213659822558).

Almost surely, 2^{5011111051020} is an apocalyptic number.

It is an amenable number.

5011111051020 is an abundant number, since it is smaller than the sum of its proper divisors (10372396173156).

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

5011111051020 is a wasteful number, since it uses less digits than its factorization.

5011111051020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335415831 (or 335415826 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 18.

Adding to 5011111051020 its reverse (201501111105), we get a palindrome (5212612162125).

The spelling of 5011111051020 in words is "five trillion, eleven billion, one hundred eleven million, fifty-one thousand, twenty".