32130521345 has 16 divisors (see below), whose sum is σ = 42022798272. Its totient is φ = 23441280960.

The previous prime is 32130521333. The next prime is 32130521359. The reversal of 32130521345 is 54312503123.

It is a happy number.

It is not a de Polignac number, because 32130521345 - 2¹² = 32130517249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2972411 + ... + 2983200.

It is an arithmetic number, because the mean of its divisors is an integer number (2626424892).

Almost surely, 2^32130521345 is an apocalyptic number.

It is an amenable number.

32130521345 is a deficient number, since it is larger than the sum of its proper divisors (9892276927).

32130521345 is a wasteful number, since it uses less digits than its factorization.

32130521345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955712.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 32130521345 in words is "thirty-two billion, one hundred thirty million, five hundred twenty-one thousand, three hundred forty-five".