11421532204045 has 8 divisors (see below), whose sum is σ = 13715909070840. Its totient is φ = 9130512145920.

The previous prime is 11421532204003. The next prime is 11421532204051. The reversal of 11421532204045 is 54040223512411.

It can be written as a sum of positive squares in 4 ways, for example, as 2800890099396 + 8620642104649 = 1673586^2 + 2936093^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11421532204045 - 2⁹ = 11421532203533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11421532204045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839194680 + ... + 839208289.

It is an arithmetic number, because the mean of its divisors is an integer number (1714488633855).

Almost surely, 2^{11421532204045} is an apocalyptic number.

It is an amenable number.

11421532204045 is a deficient number, since it is larger than the sum of its proper divisors (2294376866795).

11421532204045 is a wasteful number, since it uses less digits than its factorization.

11421532204045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678404335.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 11421532204045 its reverse (54040223512411), we get a palindrome (65461755716456).

The spelling of 11421532204045 in words is "eleven trillion, four hundred twenty-one billion, five hundred thirty-two million, two hundred four thousand, forty-five".