5311940545 has 8 divisors (see below), whose sum is σ = 6378952680. Its totient is φ = 4246469760.

The previous prime is 5311940531. The next prime is 5311940549. The reversal of 5311940545 is 5450491135.

It can be written as a sum of positive squares in 4 ways, for example, as 28976689 + 5282963856 = 5383^2 + 72684^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5311940545 - 2²³ = 5303551937 is a prime.

It is a super-2 number, since 2×5311940545² = 56433424707229794050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5311940549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377740 + ... + 391549.

It is an arithmetic number, because the mean of its divisors is an integer number (797369085).

Almost surely, 2^5311940545 is an apocalyptic number.

It is an amenable number.

5311940545 is a deficient number, since it is larger than the sum of its proper divisors (1067012135).

5311940545 is a wasteful number, since it uses less digits than its factorization.

5311940545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770675.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 5311940545 is about 72883.0607548832. The cubic root of 5311940545 is about 1744.8217588460.

The spelling of 5311940545 in words is "five billion, three hundred eleven million, nine hundred forty thousand, five hundred forty-five".