525197417988 has 192 divisors, whose sum is σ = 1324852236288. Its totient is φ = 161349027840.

The previous prime is 525197417959. The next prime is 525197417999. The reversal of 525197417988 is 889714791525.

It is a super-2 number, since 2×525197417988² (a number of 24 digits) contains 22 as substring.

Its product of digits (50803200) is a multiple of the sum of its prime divisors (1080).

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, 1134335445 + ... + 1134335907.

It is an arithmetic number, because the mean of its divisors is an integer number (6900272064).

Almost surely, 2^525197417988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525197417988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662426118144).

525197417988 is an abundant number, since it is smaller than the sum of its proper divisors (799654818300).

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

525197417988 is a wasteful number, since it uses less digits than its factorization.

525197417988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1080 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 66.

The spelling of 525197417988 in words is "five hundred twenty-five billion, one hundred ninety-seven million, four hundred seventeen thousand, nine hundred eighty-eight".