10143173977225 has 9 divisors (see below), whose sum is σ = 12577555477767. Its totient is φ = 8114526442440.

The previous prime is 10143173977213. The next prime is 10143173977231. The reversal of 10143173977225 is 52277937134101.

The square root of 10143173977225 is 3184835.

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., 3651542631801 + 6491631345424 = 1910901^2 + 2547868^2 .

It is not a de Polignac number, because 10143173977225 - 2¹⁷ = 10143173846153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15605692 + ... + 16242658.

Almost surely, 2^{10143173977225} is an apocalyptic number.

10143173977225 is the 3184835-th square number.

10143173977225 is the 1592418-th centered octagonal number.

It is an amenable number.

10143173977225 is a deficient number, since it is larger than the sum of its proper divisors (2434381500542).

10143173977225 is an frugal number, since it uses more digits than its factorization.

10143173977225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273944 (or 636972 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 10143173977225 in words is "ten trillion, one hundred forty-three billion, one hundred seventy-three million, nine hundred seventy-seven thousand, two hundred twenty-five".