5111100545 has 4 divisors (see below), whose sum is σ = 6133320660. Its totient is φ = 4088880432.

The previous prime is 5111100523. The next prime is 5111100583. The reversal of 5111100545 is 5450011115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3381538801 + 1729561744 = 58151^2 + 41588^2 .

It is a cyclic number.

It is not a de Polignac number, because 5111100545 - 2⁶ = 5111100481 is a prime.

It is a super-2 number, since 2×5111100545² = 52246697562198594050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5111100545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511110050 + ... + 511110059.

It is an arithmetic number, because the mean of its divisors is an integer number (1533330165).

Almost surely, 2^5111100545 is an apocalyptic number.

It is an amenable number.

5111100545 is a deficient number, since it is larger than the sum of its proper divisors (1022220115).

5111100545 is a wasteful number, since it uses less digits than its factorization.

5111100545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022220114.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 5111100545 is about 71491.9614012652. The cubic root of 5111100545 is about 1722.5485637880.

The spelling of 5111100545 in words is "five billion, one hundred eleven million, one hundred thousand, five hundred forty-five".