2511122445 has 96 divisors (see below), whose sum is σ = 5108087040. Its totient is φ = 1163289600.

The previous prime is 2511122437. The next prime is 2511122461. The reversal of 2511122445 is 5442211152.

It is a happy number.

It is not a de Polignac number, because 2511122445 - 2³ = 2511122437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 504720 + ... + 509670.

It is an arithmetic number, because the mean of its divisors is an integer number (53209240).

Almost surely, 2^2511122445 is an apocalyptic number.

It is an amenable number.

2511122445 is an abundant number, since it is smaller than the sum of its proper divisors (2596964595).

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

2511122445 is a wasteful number, since it uses less digits than its factorization.

2511122445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012 (or 4989 counting only the distinct ones).

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

The square root of 2511122445 is about 50111.1010156432. The cubic root of 2511122445 is about 1359.2185614982.

Adding to 2511122445 its reverse (5442211152), we get a palindrome (7953333597).

The spelling of 2511122445 in words is "two billion, five hundred eleven million, one hundred twenty-two thousand, four hundred forty-five".