655225503524 has 6 divisors (see below), whose sum is σ = 1146644631174. Its totient is φ = 327612751760.

The previous prime is 655225503521. The next prime is 655225503547. The reversal of 655225503524 is 425305522556.

It can be written as a sum of positive squares in only one way, i.e., 632075881024 + 23149622500 = 795032^2 + 152150^2 .

It is not an unprimeable number, because it can be changed into a prime (655225503521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81903187937 + ... + 81903187944.

It is an arithmetic number, because the mean of its divisors is an integer number (191107438529).

Almost surely, 2^655225503524 is an apocalyptic number.

It is an amenable number.

655225503524 is a deficient number, since it is larger than the sum of its proper divisors (491419127650).

655225503524 is a wasteful number, since it uses less digits than its factorization.

655225503524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163806375885 (or 163806375883 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 44.

The spelling of 655225503524 in words is "six hundred fifty-five billion, two hundred twenty-five million, five hundred three thousand, five hundred twenty-four".