2545111242 has 96 divisors (see below), whose sum is σ = 5966438400. Its totient is φ = 781208064.

The previous prime is 2545111223. The next prime is 2545111273. The reversal of 2545111242 is 2421115452.

It is a happy number.

2545111242 is a `hidden beast` number, since 2 + 545 + 1 + 112 + 4 + 2 = 666.

2545111242 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3069684 + ... + 3070512.

It is an arithmetic number, because the mean of its divisors is an integer number (62150400).

Almost surely, 2^2545111242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545111242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2983219200).

2545111242 is an abundant number, since it is smaller than the sum of its proper divisors (3421327158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545111242 is a wasteful number, since it uses less digits than its factorization.

2545111242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1057 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2545111242 is about 50449.0955518531. The cubic root of 2545111242 is about 1365.3235766323.

Adding to 2545111242 its reverse (2421115452), we get a palindrome (4966226694).

The spelling of 2545111242 in words is "two billion, five hundred forty-five million, one hundred eleven thousand, two hundred forty-two".