5051213244545 has 16 divisors (see below), whose sum is σ = 6528500564880. Its totient is φ = 3729681656064.

The previous prime is 5051213244533. The next prime is 5051213244547. The reversal of 5051213244545 is 5454423121505.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 621000737296 + 4430212507249 = 788036^2 + 2104807^2 .

It is not a de Polignac number, because 5051213244545 - 2¹² = 5051213240449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5051213244547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4086434 + ... + 5177003.

It is an arithmetic number, because the mean of its divisors is an integer number (408031285305).

Almost surely, 2^{5051213244545} is an apocalyptic number.

It is an amenable number.

5051213244545 is a deficient number, since it is larger than the sum of its proper divisors (1477287320335).

5051213244545 is a wasteful number, since it uses less digits than its factorization.

5051213244545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9271844.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 5051213244545 in words is "five trillion, fifty-one billion, two hundred thirteen million, two hundred forty-four thousand, five hundred forty-five".