5111311301213 has 8 divisors (see below), whose sum is σ = 5524360899288. Its totient is φ = 4701100532544.

The previous prime is 5111311301209. The next prime is 5111311301221. The reversal of 5111311301213 is 3121031131115.

It can be written as a sum of positive squares in 4 ways, for example, as 741317556004 + 4369993745209 = 860998^2 + 2090453^2 .

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

It is not a de Polignac number, because 5111311301213 - 2² = 5111311301209 is a prime.

It is a super-2 number, since 2×5111311301213² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111311331213) 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, 709703606 + ... + 709710807.

It is an arithmetic number, because the mean of its divisors is an integer number (690545112411).

Almost surely, 2^{5111311301213} is an apocalyptic number.

It is an amenable number.

5111311301213 is a deficient number, since it is larger than the sum of its proper divisors (413049598075).

5111311301213 is a wasteful number, since it uses less digits than its factorization.

5111311301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419414703.

The product of its (nonzero) digits is 270, while the sum is 23.

Adding to 5111311301213 its reverse (3121031131115), we get a palindrome (8232342432328).

The spelling of 5111311301213 in words is "five trillion, one hundred eleven billion, three hundred eleven million, three hundred one thousand, two hundred thirteen".