32154315513 has 4 divisors (see below), whose sum is σ = 42872420688. Its totient is φ = 21436210340.

The previous prime is 32154315511. The next prime is 32154315551. The reversal of 32154315513 is 31551345123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32154315513 - 2¹ = 32154315511 is a prime.

It is a super-2 number, since 2×32154315513² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32154315511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5359052583 + ... + 5359052588.

It is an arithmetic number, because the mean of its divisors is an integer number (10718105172).

Almost surely, 2^32154315513 is an apocalyptic number.

It is an amenable number.

32154315513 is a deficient number, since it is larger than the sum of its proper divisors (10718105175).

32154315513 is a wasteful number, since it uses less digits than its factorization.

32154315513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10718105174.

The product of its digits is 27000, while the sum is 33.

The spelling of 32154315513 in words is "thirty-two billion, one hundred fifty-four million, three hundred fifteen thousand, five hundred thirteen".