5111861745 has 32 divisors (see below), whose sum is σ = 8662348800. Its totient is φ = 2566966464.

The previous prime is 5111861743. The next prime is 5111861749. The reversal of 5111861745 is 5471681115.

It is a happy number.

It is not a de Polignac number, because 5111861745 - 2¹ = 5111861743 is a prime.

It is a super-2 number, since 2×5111861745² = 52262260999988890050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5111861743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8565 + ... + 101474.

It is an arithmetic number, because the mean of its divisors is an integer number (270698400).

Almost surely, 2^5111861745 is an apocalyptic number.

It is an amenable number.

5111861745 is a deficient number, since it is larger than the sum of its proper divisors (3550487055).

5111861745 is a wasteful number, since it uses less digits than its factorization.

5111861745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110229.

The product of its digits is 33600, while the sum is 39.

The square root of 5111861745 is about 71497.2848785183. The cubic root of 5111861745 is about 1722.6340730221.

The spelling of 5111861745 in words is "five billion, one hundred eleven million, eight hundred sixty-one thousand, seven hundred forty-five".