2545155113 has 4 divisors (see below), whose sum is σ = 2545681860. Its totient is φ = 2544628368.

The previous prime is 2545155071. The next prime is 2545155121. The reversal of 2545155113 is 3115515452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 578498704 + 1966656409 = 24052^2 + 44347^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545155113 - 2¹² = 2545151017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2545155113.

It is not an unprimeable number, because it can be changed into a prime (2545155133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256058 + ... + 265811.

It is an arithmetic number, because the mean of its divisors is an integer number (636420465).

Almost surely, 2^2545155113 is an apocalyptic number.

It is an amenable number.

2545155113 is a deficient number, since it is larger than the sum of its proper divisors (526747).

2545155113 is an equidigital number, since it uses as much as digits as its factorization.

2545155113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526746.

The product of its digits is 15000, while the sum is 32.

The square root of 2545155113 is about 50449.5303546029. The cubic root of 2545155113 is about 1365.3314214454.

The spelling of 2545155113 in words is "two billion, five hundred forty-five million, one hundred fifty-five thousand, one hundred thirteen".