45631515571 has 4 divisors (see below), whose sum is σ = 45632629600. Its totient is φ = 45630401544.

The previous prime is 45631515557. The next prime is 45631515581. The reversal of 45631515571 is 17551513654.

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 45631515571 - 2¹⁹ = 45630991283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45631515521) 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, 493131 + ... + 578308.

It is an arithmetic number, because the mean of its divisors is an integer number (11408157400).

Almost surely, 2^45631515571 is an apocalyptic number.

45631515571 is a deficient number, since it is larger than the sum of its proper divisors (1114029).

45631515571 is a wasteful number, since it uses less digits than its factorization.

45631515571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114028.

The product of its digits is 315000, while the sum is 43.

The spelling of 45631515571 in words is "forty-five billion, six hundred thirty-one million, five hundred fifteen thousand, five hundred seventy-one".