2505001011 has 8 divisors (see below), whose sum is σ = 3341777040. Its totient is φ = 1669112832.

The previous prime is 2505001007. The next prime is 2505001013. The reversal of 2505001011 is 1101005052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2505001011 - 2² = 2505001007 is a prime.

It is a super-2 number, since 2×2505001011² = 12550060130222044242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2505001013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215350 + ... + 226683.

It is an arithmetic number, because the mean of its divisors is an integer number (417722130).

Almost surely, 2^2505001011 is an apocalyptic number.

2505001011 is a deficient number, since it is larger than the sum of its proper divisors (836776029).

2505001011 is a wasteful number, since it uses less digits than its factorization.

2505001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443925.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 2505001011 is about 50049.9851248729. The cubic root of 2505001011 is about 1358.1131943433.

Adding to 2505001011 its reverse (1101005052), we get a palindrome (3606006063).

The spelling of 2505001011 in words is "two billion, five hundred five million, one thousand, eleven".