1169458402225 has 27 divisors (see below), whose sum is σ = 1456884585729. Its totient is φ = 931228084800.

The previous prime is 1169458402219. The next prime is 1169458402253. The reversal of 1169458402225 is 5222048549611.

The square root of 1169458402225 is 1081415.

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

It can be written as a sum of positive squares in 4 ways, for example, as 656979954849 + 512478447376 = 810543^2 + 715876^2 .

It is not a de Polignac number, because 1169458402225 - 2⁷ = 1169458402097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1692414130 + ... + 1692414820.

Almost surely, 2^{1169458402225} is an apocalyptic number.

1169458402225 is the 1081415-th square number.

1169458402225 is the 540708-th centered octagonal number.

It is an amenable number.

1169458402225 is a deficient number, since it is larger than the sum of its proper divisors (287426183504).

1169458402225 is an frugal number, since it uses more digits than its factorization.

1169458402225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

Multiplying 1169458402225 by its sum of digits (49), we get a square (57303461709025 = 7569905²).

The spelling of 1169458402225 in words is "one trillion, one hundred sixty-nine billion, four hundred fifty-eight million, four hundred two thousand, two hundred twenty-five".