1041040525421 has 16 divisors (see below), whose sum is σ = 1128790703040. Its totient is φ = 960077467440.

The previous prime is 1041040525387. The next prime is 1041040525451. The reversal of 1041040525421 is 1245250401401.

It is a happy number.

It is not a de Polignac number, because 1041040525421 - 2¹⁰ = 1041040524397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041040525451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2179766 + ... + 2614088.

It is an arithmetic number, because the mean of its divisors is an integer number (70549418940).

Almost surely, 2^{1041040525421} is an apocalyptic number.

It is an amenable number.

1041040525421 is a deficient number, since it is larger than the sum of its proper divisors (87750177619).

1041040525421 is an equidigital number, since it uses as much as digits as its factorization.

1041040525421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435453 (or 435427 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 1041040525421 its reverse (1245250401401), we get a palindrome (2286290926822).

The spelling of 1041040525421 in words is "one trillion, forty-one billion, forty million, five hundred twenty-five thousand, four hundred twenty-one".