525380511647783 has 16 divisors (see below), whose sum is σ = 584221458128256. Its totient is φ = 468394260116640.

The previous prime is 525380511647729. The next prime is 525380511647791. The reversal of 525380511647783 is 387746115083525.

It is not a de Polignac number, because 525380511647783 - 2²⁰ = 525380510599207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525380511647483) 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, 203247485 + ... + 205816182.

It is an arithmetic number, because the mean of its divisors is an integer number (36513841133016).

Almost surely, 2^{525380511647783} is an apocalyptic number.

525380511647783 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

525380511647783 is a deficient number, since it is larger than the sum of its proper divisors (58840946480473).

525380511647783 is a wasteful number, since it uses less digits than its factorization.

525380511647783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409065934.

The product of its (nonzero) digits is 169344000, while the sum is 65.

The spelling of 525380511647783 in words is "five hundred twenty-five trillion, three hundred eighty billion, five hundred eleven million, six hundred forty-seven thousand, seven hundred eighty-three".