3201581932545 has 16 divisors (see below), whose sum is σ = 5122562504832. Its totient is φ = 1707499893120.

The previous prime is 3201581932537. The next prime is 3201581932553. The reversal of 3201581932545 is 5452391851023.

It is an interprime number because it is at equal distance from previous prime (3201581932537) and next prime (3201581932553).

It is not a de Polignac number, because 3201581932545 - 2³ = 3201581932537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3201581932494 and 3201581932503.

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, 2304844 + ... + 3422786.

It is an arithmetic number, because the mean of its divisors is an integer number (320160156552).

Almost surely, 2^{3201581932545} is an apocalyptic number.

It is an amenable number.

3201581932545 is a deficient number, since it is larger than the sum of its proper divisors (1920980572287).

3201581932545 is a wasteful number, since it uses less digits than its factorization.

3201581932545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308872.

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 3201581932545 in words is "three trillion, two hundred one billion, five hundred eighty-one million, nine hundred thirty-two thousand, five hundred forty-five".