1113858606025 has 81 divisors (see below), whose sum is σ = 1571252759559. Its totient is φ = 782680932000.

The previous prime is 1113858606023. The next prime is 1113858606101. The reversal of 1113858606025 is 5206068583111.

The square root of 1113858606025 is 1055395.

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., 400989098169 + 712869507856 = 633237^2 + 844316^2 .

It is not a de Polignac number, because 1113858606025 - 2¹ = 1113858606023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113858606023) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1799448166 + ... + 1799448784.

Almost surely, 2^{1113858606025} is an apocalyptic number.

1113858606025 is the 1055395-th square number.

1113858606025 is the 527698-th centered octagonal number.

It is an amenable number.

1113858606025 is a deficient number, since it is larger than the sum of its proper divisors (457394153534).

1113858606025 is an frugal number, since it uses more digits than its factorization.

1113858606025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 1113858606025 in words is "one trillion, one hundred thirteen billion, eight hundred fifty-eight million, six hundred six thousand, twenty-five".