5111402545 has 4 divisors (see below), whose sum is σ = 6133683060. Its totient is φ = 4089122032.

The previous prime is 5111402537. The next prime is 5111402599. The reversal of 5111402545 is 5452041115.

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 3289137201 + 1822265344 = 57351^2 + 42688^2 .

It is a cyclic number.

It is not a de Polignac number, because 5111402545 - 2³ = 5111402537 is a prime.

It is a super-2 number, since 2×5111402545² = 52252871954064954050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511140250 + ... + 511140259.

It is an arithmetic number, because the mean of its divisors is an integer number (1533420765).

Almost surely, 2^5111402545 is an apocalyptic number.

It is an amenable number.

5111402545 is a deficient number, since it is larger than the sum of its proper divisors (1022280515).

5111402545 is a wasteful number, since it uses less digits than its factorization.

5111402545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022280514.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 5111402545 is about 71494.0734956402. The cubic root of 5111402545 is about 1722.5824899073.

The spelling of 5111402545 in words is "five billion, one hundred eleven million, four hundred two thousand, five hundred forty-five".