5111521525045 has 16 divisors (see below), whose sum is σ = 6605746246512. Its totient is φ = 3774611957760.

The previous prime is 5111521525031. The next prime is 5111521525049. The reversal of 5111521525045 is 5405251251115.

It can be written as a sum of positive squares in 8 ways, for example, as 1213686244 + 5110307838801 = 34838^2 + 2260599^2 .

It is not a de Polignac number, because 5111521525045 - 2⁹ = 5111521524533 is a prime.

It is a super-3 number, since 3×5111521525045³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5111521524995 and 5111521525013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111521525049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4833559 + ... + 5795371.

It is an arithmetic number, because the mean of its divisors is an integer number (412859140407).

Almost surely, 2^{5111521525045} is an apocalyptic number.

It is an amenable number.

5111521525045 is a deficient number, since it is larger than the sum of its proper divisors (1494224721467).

5111521525045 is a wasteful number, since it uses less digits than its factorization.

5111521525045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043592.

The product of its (nonzero) digits is 50000, while the sum is 37.

The spelling of 5111521525045 in words is "five trillion, one hundred eleven billion, five hundred twenty-one million, five hundred twenty-five thousand, forty-five".