45115005531 has 8 divisors (see below), whose sum is σ = 60154681104. Its totient is φ = 30076000160.

The previous prime is 45115005527. The next prime is 45115005539. The reversal of 45115005531 is 13550051154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45115005531 - 2² = 45115005527 is a prime.

It is a super-2 number, since 2×45115005531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45115005539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19285 + ... + 301001.

It is an arithmetic number, because the mean of its divisors is an integer number (7519335138).

Almost surely, 2^45115005531 is an apocalyptic number.

45115005531 is a deficient number, since it is larger than the sum of its proper divisors (15039675573).

45115005531 is a wasteful number, since it uses less digits than its factorization.

45115005531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335101.

The product of its (nonzero) digits is 7500, while the sum is 30.

Adding to 45115005531 its reverse (13550051154), we get a palindrome (58665056685).

The spelling of 45115005531 in words is "forty-five billion, one hundred fifteen million, five thousand, five hundred thirty-one".