5111215830000 has 1800 divisors, whose sum is σ = 21958083164160. Its totient is φ = 1127442240000.

The previous prime is 5111215829983. The next prime is 5111215830059. The reversal of 5111215830000 is 385121115.

5111215830000 is a `hidden beast` number, since 51 + 11 + 21 + 583 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1800).

It is a super-2 number, since 2×5111215830000² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 14237369821 + ... + 14237370179.

Almost surely, 2^{5111215830000} is an apocalyptic number.

5111215830000 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 5111215830000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10979041582080).

5111215830000 is an abundant number, since it is smaller than the sum of its proper divisors (16846867334160).

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

5111215830000 is an frugal number, since it uses more digits than its factorization.

5111215830000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The spelling of 5111215830000 in words is "five trillion, one hundred eleven billion, two hundred fifteen million, eight hundred thirty thousand".