525198788772 has 96 divisors (see below), whose sum is σ = 1475213107200. Its totient is φ = 145216219680.

The previous prime is 525198788771. The next prime is 525198788773. The reversal of 525198788772 is 277887891525.

It is an interprime number because it is at equal distance from previous prime (525198788771) and next prime (525198788773).

It is a junction number, because it is equal to n+sod(n) for n = 525198788697 and 525198788706.

It is not an unprimeable number, because it can be changed into a prime (525198788771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1930458 + ... + 2185649.

It is an arithmetic number, because the mean of its divisors is an integer number (15366803200).

Almost surely, 2^525198788772 is an apocalyptic number.

It is an amenable number.

525198788772 is an abundant number, since it is smaller than the sum of its proper divisors (950014318428).

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

525198788772 is a wasteful number, since it uses less digits than its factorization.

525198788772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116166 (or 4116150 counting only the distinct ones).

The product of its digits is 158054400, while the sum is 69.

The spelling of 525198788772 in words is "five hundred twenty-five billion, one hundred ninety-eight million, seven hundred eighty-eight thousand, seven hundred seventy-two".