32513230112451 has 16 divisors (see below), whose sum is σ = 47294246926080. Its totient is φ = 19704039674720.

The previous prime is 32513230112417. The next prime is 32513230112491. The reversal of 32513230112451 is 15421103231523.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 32513230112451 - 2¹⁵ = 32513230079683 is a prime.

It is a super-2 number, since 2×32513230112451² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (32513230112491) 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, 23010375 + ... + 24382448.

It is an arithmetic number, because the mean of its divisors is an integer number (2955890432880).

Almost surely, 2^{32513230112451} is an apocalyptic number.

32513230112451 is a deficient number, since it is larger than the sum of its proper divisors (14781016813629).

32513230112451 is a wasteful number, since it uses less digits than its factorization.

32513230112451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47413626.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 32513230112451 its reverse (15421103231523), we get a palindrome (47934333343974).

The spelling of 32513230112451 in words is "thirty-two trillion, five hundred thirteen billion, two hundred thirty million, one hundred twelve thousand, four hundred fifty-one".