5186121400 has 48 divisors (see below), whose sum is σ = 12063111840. Its totient is φ = 2073523200.

The previous prime is 5186121377. The next prime is 5186121401. The reversal of 5186121400 is 41216815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5186121401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 603937 + ... + 612463.

It is an arithmetic number, because the mean of its divisors is an integer number (251314830).

Almost surely, 2^5186121400 is an apocalyptic number.

5186121400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5186121400 is an abundant number, since it is smaller than the sum of its proper divisors (6876990440).

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

5186121400 is a wasteful number, since it uses less digits than its factorization.

5186121400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11584 (or 11575 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 5186121400 is about 72014.7304375987. The cubic root of 5186121400 is about 1730.9355315127.

The spelling of 5186121400 in words is "five billion, one hundred eighty-six million, one hundred twenty-one thousand, four hundred".