5181150540 has 24 divisors (see below), whose sum is σ = 14507221680. Its totient is φ = 1381640128.

The previous prime is 5181150509. The next prime is 5181150551. The reversal of 5181150540 is 450511815.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5181150498 and 5181150507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43176195 + ... + 43176314.

It is an arithmetic number, because the mean of its divisors is an integer number (604467570).

Almost surely, 2^5181150540 is an apocalyptic number.

It is an amenable number.

5181150540 is an abundant number, since it is smaller than the sum of its proper divisors (9326071140).

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

5181150540 is a wasteful number, since it uses less digits than its factorization.

5181150540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86352521 (or 86352519 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 30.

The square root of 5181150540 is about 71980.2093634077. The cubic root of 5181150540 is about 1730.3823249813.

The spelling of 5181150540 in words is "five billion, one hundred eighty-one million, one hundred fifty thousand, five hundred forty".