5211254041045 has 16 divisors (see below), whose sum is σ = 6734674163952. Its totient is φ = 3848236116480.

The previous prime is 5211254041039. The next prime is 5211254041079. The reversal of 5211254041045 is 5401404521125.

It can be written as a sum of positive squares in 8 ways, for example, as 263200806961 + 4948053234084 = 513031^2 + 2224422^2 .

It is not a de Polignac number, because 5211254041045 - 2¹¹ = 5211254038997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5211254041045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2724505 + ... + 4224385.

It is an arithmetic number, because the mean of its divisors is an integer number (420917135247).

Almost surely, 2^{5211254041045} is an apocalyptic number.

It is an amenable number.

5211254041045 is a deficient number, since it is larger than the sum of its proper divisors (1523420122907).

5211254041045 is a wasteful number, since it uses less digits than its factorization.

5211254041045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553352.

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 5211254041045 in words is "five trillion, two hundred eleven billion, two hundred fifty-four million, forty-one thousand, forty-five".