755169690025 has 27 divisors (see below), whose sum is σ = 943472575479. Its totient is φ = 599613450000.

The previous prime is 755169689999. The next prime is 755169690029. The reversal of 755169690025 is 520096961557.

The square root of 755169690025 is 869005.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 271861088409 + 483308601616 = 521403^2 + 695204^2 .

It is not a de Polignac number, because 755169690025 - 2⁹ = 755169689513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (755169690029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 656098200 + ... + 656099350.

Almost surely, 2^755169690025 is an apocalyptic number.

755169690025 is the 869005-th square number.

755169690025 is the 434503-rd centered octagonal number.

It is an amenable number.

755169690025 is a deficient number, since it is larger than the sum of its proper divisors (188302885454).

755169690025 is an frugal number, since it uses more digits than its factorization.

755169690025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614 (or 1307 counting only the distinct ones).

The product of its (nonzero) digits is 5103000, while the sum is 55.

The spelling of 755169690025 in words is "seven hundred fifty-five billion, one hundred sixty-nine million, six hundred ninety thousand, twenty-five".