5011211998 has 32 divisors (see below), whose sum is σ = 8218425600. Its totient is φ = 2291429088.

The previous prime is 5011211987. The next prime is 5011212001. The reversal of 5011211998 is 8991121105.

It is a super-2 number, since 2×5011211998² = 50224491377798304008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473715 + ... + 484177.

It is an arithmetic number, because the mean of its divisors is an integer number (256825800).

Almost surely, 2^5011211998 is an apocalyptic number.

5011211998 is a deficient number, since it is larger than the sum of its proper divisors (3207213602).

5011211998 is a wasteful number, since it uses less digits than its factorization.

5011211998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10613 (or 10587 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 37.

The square root of 5011211998 is about 70789.9145217735. The cubic root of 5011211998 is about 1711.2531422839.

The spelling of 5011211998 in words is "five billion, eleven million, two hundred eleven thousand, nine hundred ninety-eight".