5125540662 has 192 divisors, whose sum is σ = 13675184640. Its totient is φ = 1368576000.

The previous prime is 5125540661. The next prime is 5125540663. The reversal of 5125540662 is 2660455215.

5125540662 is a `hidden beast` number, since 51 + 2 + 5 + 540 + 6 + 62 = 666.

It is an interprime number because it is at equal distance from previous prime (5125540661) and next prime (5125540663).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5125540661) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3200662 + ... + 3202262.

It is an arithmetic number, because the mean of its divisors is an integer number (71224920).

Almost surely, 2^5125540662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5125540662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6837592320).

5125540662 is an abundant number, since it is smaller than the sum of its proper divisors (8549643978).

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

5125540662 is a wasteful number, since it uses less digits than its factorization.

5125540662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699 (or 1696 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 5125540662 is about 71592.8813640015. The cubic root of 5125540662 is about 1724.1692463531.

Adding to 5125540662 its reverse (2660455215), we get a palindrome (7785995877).

The spelling of 5125540662 in words is "five billion, one hundred twenty-five million, five hundred forty thousand, six hundred sixty-two".