1040525111 has 4 divisors (see below), whose sum is σ = 1051252272. Its totient is φ = 1029797952.

The previous prime is 1040525107. The next prime is 1040525113. The reversal of 1040525111 is 1115250401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1040525111 - 2² = 1040525107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040525113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5363435 + ... + 5363628.

It is an arithmetic number, because the mean of its divisors is an integer number (262813068).

Almost surely, 2^1040525111 is an apocalyptic number.

1040525111 is a deficient number, since it is larger than the sum of its proper divisors (10727161).

1040525111 is an equidigital number, since it uses as much as digits as its factorization.

1040525111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10727160.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1040525111 is about 32257.1714662027. The cubic root of 1040525111 is about 1013.3298947276.

Adding to 1040525111 its reverse (1115250401), we get a palindrome (2155775512).

The spelling of 1040525111 in words is "one billion, forty million, five hundred twenty-five thousand, one hundred eleven".