5185611372 has 72 divisors (see below), whose sum is σ = 12888200304. Its totient is φ = 1622082176.

The previous prime is 5185611341. The next prime is 5185611377. The reversal of 5185611372 is 2731165815.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 5185611372.

It is not an unprimeable number, because it can be changed into a prime (5185611377) 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, 328738 + ... + 344150.

It is an arithmetic number, because the mean of its divisors is an integer number (179002782).

Almost surely, 2^5185611372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5185611372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6444100152).

5185611372 is an abundant number, since it is smaller than the sum of its proper divisors (7702588932).

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

5185611372 is a wasteful number, since it uses less digits than its factorization.

5185611372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15519 (or 15494 counting only the distinct ones).

The product of its digits is 50400, while the sum is 39.

The square root of 5185611372 is about 72011.1892138993. The cubic root of 5185611372 is about 1730.8787868243.

The spelling of 5185611372 in words is "five billion, one hundred eighty-five million, six hundred eleven thousand, three hundred seventy-two".