11141858025 has 81 divisors (see below), whose sum is σ = 20712064503. Its totient is φ = 5725303200.

The previous prime is 11141857997. The next prime is 11141858027. The reversal of 11141858025 is 52085814111.

The square root of 11141858025 is 105555.

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

11141858025 is a `hidden beast` number, since 1 + 11 + 41 + 8 + 580 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4011068889 + 7130789136 = 63333^2 + 84444^2 .

It is not a de Polignac number, because 11141858025 - 2¹⁹ = 11141333737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11141858027) 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, 49082962 + ... + 49083188.

Almost surely, 2^11141858025 is an apocalyptic number.

11141858025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11141858025 is the 105555-th square number.

11141858025 is the 52778-th centered octagonal number.

It is an amenable number.

11141858025 is a deficient number, since it is larger than the sum of its proper divisors (9570206478).

11141858025 is an equidigital number, since it uses as much as digits as its factorization.

11141858025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 36.

Multiplying 11141858025 by its sum of digits (36), we get a square (401106888900 = 633330²).

The spelling of 11141858025 in words is "eleven billion, one hundred forty-one million, eight hundred fifty-eight thousand, twenty-five".