2500500011 has 4 divisors (see below), whose sum is σ = 2503319952. Its totient is φ = 2497680072.

The previous prime is 2500500001. The next prime is 2500500059. The reversal of 2500500011 is 1100050052.

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

It is a cyclic number.

It is not a de Polignac number, because 2500500011 - 2³⁰ = 1426758187 is a prime.

It is a super-2 number, since 2×2500500011² = 12505000610022000242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500500001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408640 + ... + 1410413.

It is an arithmetic number, because the mean of its divisors is an integer number (625829988).

Almost surely, 2^2500500011 is an apocalyptic number.

2500500011 is a deficient number, since it is larger than the sum of its proper divisors (2819941).

2500500011 is an equidigital number, since it uses as much as digits as its factorization.

2500500011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819940.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 2500500011 is about 50004.9998600140. Note that the first 3 decimals coincide. The cubic root of 2500500011 is about 1357.2992848436.

Adding to 2500500011 its sum of digits (14), we get a square (2500500025 = 50005²).

Adding to 2500500011 its reverse (1100050052), we get a palindrome (3600550063).

The spelling of 2500500011 in words is "two billion, five hundred million, five hundred thousand, eleven".