1041513521551 has 4 divisors (see below), whose sum is σ = 1041792527032. Its totient is φ = 1041234516072.

The previous prime is 1041513521519. The next prime is 1041513521557. The reversal of 1041513521551 is 1551253151401.

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 1041513521551 - 2⁵ = 1041513521519 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 (1041513521557) 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, 139497141 + ... + 139504606.

It is an arithmetic number, because the mean of its divisors is an integer number (260448131758).

Almost surely, 2^{1041513521551} is an apocalyptic number.

1041513521551 is a deficient number, since it is larger than the sum of its proper divisors (279005481).

1041513521551 is an equidigital number, since it uses as much as digits as its factorization.

1041513521551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279005480.

The product of its (nonzero) digits is 15000, while the sum is 34.

Adding to 1041513521551 its reverse (1551253151401), we get a palindrome (2592766672952).

The spelling of 1041513521551 in words is "one trillion, forty-one billion, five hundred thirteen million, five hundred twenty-one thousand, five hundred fifty-one".