1105326309025 has 27 divisors (see below), whose sum is σ = 1377318585459. Its totient is φ = 879950532720.

The previous prime is 1105326309023. The next prime is 1105326309137. The reversal of 1105326309025 is 5209036235011.

The square root of 1105326309025 is 1051345.

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., 397917471249 + 707408837776 = 630807^2 + 841076^2 .

It is not a de Polignac number, because 1105326309025 - 2¹ = 1105326309023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105326309023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1487652804 + ... + 1487653546.

Almost surely, 2^{1105326309025} is an apocalyptic number.

1105326309025 is the 1051345-th square number.

1105326309025 is the 525673-rd centered octagonal number.

It is an amenable number.

1105326309025 is a deficient number, since it is larger than the sum of its proper divisors (271992276434).

1105326309025 is an frugal number, since it uses more digits than its factorization.

1105326309025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062 (or 1031 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 1105326309025 in words is "one trillion, one hundred five billion, three hundred twenty-six million, three hundred nine thousand, twenty-five".