5111055550000 has 120 divisors (see below), whose sum is σ = 12459534351264. Its totient is φ = 2030880000000.

The previous prime is 5111055549991. The next prime is 5111055550009. The reversal of 5111055550000 is 555501115.

It is an interprime number because it is at equal distance from previous prime (5111055549991) and next prime (5111055550009).

It is a super-2 number, since 2×5111055550000² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5111055550009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7211520 + ... + 7888480.

Almost surely, 2^{5111055550000} is an apocalyptic number.

5111055550000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5111055550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6229767175632).

5111055550000 is an abundant number, since it is smaller than the sum of its proper divisors (7348478801264).

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

5111055550000 is an equidigital number, since it uses as much as digits as its factorization.

5111055550000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677145 (or 677119 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 5111055550000 in words is "five trillion, one hundred eleven billion, fifty-five million, five hundred fifty thousand".