32540142553251 has 4 divisors (see below), whose sum is σ = 43386856737672. Its totient is φ = 21693428368832.

The previous prime is 32540142553187. The next prime is 32540142553279. The reversal of 32540142553251 is 15235524104523.

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 32540142553251 - 2⁶ = 32540142553187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32540142553151) 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, 5423357092206 + ... + 5423357092211.

It is an arithmetic number, because the mean of its divisors is an integer number (10846714184418).

Almost surely, 2^{32540142553251} is an apocalyptic number.

32540142553251 is a deficient number, since it is larger than the sum of its proper divisors (10846714184421).

32540142553251 is a wasteful number, since it uses less digits than its factorization.

32540142553251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10846714184420.

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 32540142553251 its reverse (15235524104523), we get a palindrome (47775666657774).

The spelling of 32540142553251 in words is "thirty-two trillion, five hundred forty billion, one hundred forty-two million, five hundred fifty-three thousand, two hundred fifty-one".