2505115545 has 32 divisors (see below), whose sum is σ = 4073932800. Its totient is φ = 1314285504.

The previous prime is 2505115531. The next prime is 2505115579. The reversal of 2505115545 is 5455115052.

It is not a de Polignac number, because 2505115545 - 2¹¹ = 2505113497 is a prime.

It is a super-3 number, since 3×2505115545³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293346 + ... + 301764.

It is an arithmetic number, because the mean of its divisors is an integer number (127310400).

Almost surely, 2^2505115545 is an apocalyptic number.

It is an amenable number.

2505115545 is a deficient number, since it is larger than the sum of its proper divisors (1568817255).

2505115545 is a wasteful number, since it uses less digits than its factorization.

2505115545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8749.

The product of its (nonzero) digits is 25000, while the sum is 33.

The square root of 2505115545 is about 50051.1293079387. The cubic root of 2505115545 is about 1358.1338926404.

The spelling of 2505115545 in words is "two billion, five hundred five million, one hundred fifteen thousand, five hundred forty-five".