5145511772 has 24 divisors (see below), whose sum is σ = 9161288640. Its totient is φ = 2528084160.

The previous prime is 5145511751. The next prime is 5145511801. The reversal of 5145511772 is 2771155415.

It is a congruent number.

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, 250973 + ... + 270699.

It is an arithmetic number, because the mean of its divisors is an integer number (381720360).

Almost surely, 2^5145511772 is an apocalyptic number.

It is an amenable number.

5145511772 is a deficient number, since it is larger than the sum of its proper divisors (4015776868).

5145511772 is a wasteful number, since it uses less digits than its factorization.

5145511772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20861 (or 20859 counting only the distinct ones).

The product of its digits is 49000, while the sum is 38.

The square root of 5145511772 is about 71732.2226896672. Note that the first 3 decimals coincide. The cubic root of 5145511772 is about 1726.4056899651.

The spelling of 5145511772 in words is "five billion, one hundred forty-five million, five hundred eleven thousand, seven hundred seventy-two".