525380742872765 has 64 divisors (see below), whose sum is σ = 716903612409600. Its totient is φ = 366416094818304.

The previous prime is 525380742872743. The next prime is 525380742872771. The reversal of 525380742872765 is 567278247083525.

It is not a de Polignac number, because 525380742872765 - 2⁶ = 525380742872701 is a prime.

It is a super-2 number, since 2×525380742872765² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 518733782 + ... + 519745608.

It is an arithmetic number, because the mean of its divisors is an integer number (11201618943900).

Almost surely, 2^{525380742872765} is an apocalyptic number.

It is an amenable number.

525380742872765 is a deficient number, since it is larger than the sum of its proper divisors (191522869536835).

525380742872765 is a wasteful number, since it uses less digits than its factorization.

525380742872765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013166.

The product of its (nonzero) digits is 1580544000, while the sum is 71.

The spelling of 525380742872765 in words is "five hundred twenty-five trillion, three hundred eighty billion, seven hundred forty-two million, eight hundred seventy-two thousand, seven hundred sixty-five".