7111998936 has 80 divisors (see below), whose sum is σ = 22765937040. Its totient is φ = 2031998400.

The previous prime is 7111998917. The next prime is 7111998983. The reversal of 7111998936 is 6398991117.

It is a happy number.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 779415 + ... + 788486.

It is an arithmetic number, because the mean of its divisors is an integer number (284574213).

Almost surely, 2^7111998936 is an apocalyptic number.

It is an amenable number.

7111998936 is an abundant number, since it is smaller than the sum of its proper divisors (15653938104).

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

7111998936 is a wasteful number, since it uses less digits than its factorization.

7111998936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567926 (or 1567913 counting only the distinct ones).

The product of its digits is 734832, while the sum is 54.

The square root of 7111998936 is about 84332.6682608822. The cubic root of 7111998936 is about 1923.0794528128.

The spelling of 7111998936 in words is "seven billion, one hundred eleven million, nine hundred ninety-eight thousand, nine hundred thirty-six".