5171100780 has 48 divisors (see below), whose sum is σ = 14978365920. Its totient is φ = 1331409408.

The previous prime is 5171100721. The next prime is 5171100799. The reversal of 5171100780 is 870011715.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1484209 + ... + 1487688.

It is an arithmetic number, because the mean of its divisors is an integer number (312049290).

Almost surely, 2^5171100780 is an apocalyptic number.

It is an amenable number.

5171100780 is an abundant number, since it is smaller than the sum of its proper divisors (9807265140).

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

5171100780 is a wasteful number, since it uses less digits than its factorization.

5171100780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971938 (or 2971936 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 30.

The square root of 5171100780 is about 71910.3662902644. The cubic root of 5171100780 is about 1729.2628064054.

The spelling of 5171100780 in words is "five billion, one hundred seventy-one million, one hundred thousand, seven hundred eighty".