10961043025 has 9 divisors (see below), whose sum is σ = 13592342491. Its totient is φ = 8768415640.

The previous prime is 10961042993. The next prime is 10961043073. The reversal of 10961043025 is 52034016901.

The square root of 10961043025 is 104695.

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., 3945975489 + 7015067536 = 62817^2 + 83756^2 .

It is not a de Polignac number, because 10961043025 - 2⁵ = 10961042993 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, 513006 + ... + 533944.

Almost surely, 2^10961043025 is an apocalyptic number.

10961043025 is the 104695-th square number.

10961043025 is the 52348-th centered octagonal number.

It is an amenable number.

10961043025 is a deficient number, since it is larger than the sum of its proper divisors (2631299466).

10961043025 is an frugal number, since it uses more digits than its factorization.

10961043025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41888 (or 20944 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 10961043025 its reverse (52034016901), we get a palindrome (62995059926).

The spelling of 10961043025 in words is "ten billion, nine hundred sixty-one million, forty-three thousand, twenty-five".