57125132062782 has 128 divisors (see below), whose sum is σ = 144268812785664. Its totient is φ = 14692942184448.

The previous prime is 57125132062781. The next prime is 57125132062807. The reversal of 57125132062782 is 28726023152175.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57125132062781) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 611722078 + ... + 611815454.

It is an arithmetic number, because the mean of its divisors is an integer number (1127100099888).

Almost surely, 2^{57125132062782} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57125132062782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72134406392832).

57125132062782 is an abundant number, since it is smaller than the sum of its proper divisors (87143680722882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57125132062782 is a wasteful number, since it uses less digits than its factorization.

57125132062782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130682.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 57125132062782 in words is "fifty-seven trillion, one hundred twenty-five billion, one hundred thirty-two million, sixty-two thousand, seven hundred eighty-two".