52145899854126 has 256 divisors, whose sum is σ = 124806713794560. Its totient is φ = 14380080906240.

The previous prime is 52145899853939. The next prime is 52145899854131. The reversal of 52145899854126 is 62145899854125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 378906760 + ... + 379044356.

It is an arithmetic number, because the mean of its divisors is an integer number (487526225760).

Almost surely, 2^{52145899854126} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52145899854126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62403356897280).

52145899854126 is an abundant number, since it is smaller than the sum of its proper divisors (72660813940434).

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

52145899854126 is a wasteful number, since it uses less digits than its factorization.

52145899854126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137851.

The product of its digits is 248832000, while the sum is 69.

Subtracting 52145899854126 from its reverse (62145899854125), we obtain a palindrome (9999999999999).

The spelling of 52145899854126 in words is "fifty-two trillion, one hundred forty-five billion, eight hundred ninety-nine million, eight hundred fifty-four thousand, one hundred twenty-six".