5111512204553 has 4 divisors (see below), whose sum is σ = 5207955831108. Its totient is φ = 5015068578000.

The previous prime is 5111512204531. The next prime is 5111512204559. The reversal of 5111512204553 is 3554022151115.

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 3521222226064 + 1590289978489 = 1876492^2 + 1261067^2 .

It is a cyclic number.

It is not a de Polignac number, because 5111512204553 - 2⁸ = 5111512204297 is a prime.

It is a super-2 number, since 2×5111512204553² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5111512204559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48221813198 + ... + 48221813303.

It is an arithmetic number, because the mean of its divisors is an integer number (1301988957777).

Almost surely, 2^{5111512204553} is an apocalyptic number.

5111512204553 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

5111512204553 is a deficient number, since it is larger than the sum of its proper divisors (96443626555).

5111512204553 is an equidigital number, since it uses as much as digits as its factorization.

5111512204553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96443626554.

The product of its (nonzero) digits is 30000, while the sum is 35.

Adding to 5111512204553 its reverse (3554022151115), we get a palindrome (8665534355668).

The spelling of 5111512204553 in words is "five trillion, one hundred eleven billion, five hundred twelve million, two hundred four thousand, five hundred fifty-three".