11432162521 has 8 divisors (see below), whose sum is σ = 12385283904. Its totient is φ = 10489573200.

The previous prime is 11432162513. The next prime is 11432162549. The reversal of 11432162521 is 12526123411.

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

It is a cyclic number.

It is not a de Polignac number, because 11432162521 - 2³ = 11432162513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11432162521.

It is not an unprimeable number, because it can be changed into a prime (11432162221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2630755 + ... + 2635096.

It is an arithmetic number, because the mean of its divisors is an integer number (1548160488).

Almost surely, 2^11432162521 is an apocalyptic number.

It is an amenable number.

11432162521 is a deficient number, since it is larger than the sum of its proper divisors (953121383).

11432162521 is a wasteful number, since it uses less digits than its factorization.

11432162521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266031.

The product of its digits is 2880, while the sum is 28.

Adding to 11432162521 its reverse (12526123411), we get a palindrome (23958285932).

The spelling of 11432162521 in words is "eleven billion, four hundred thirty-two million, one hundred sixty-two thousand, five hundred twenty-one".