2505203011 has 8 divisors (see below), whose sum is σ = 2653962624. Its totient is φ = 2356598400.

The previous prime is 2505202937. The next prime is 2505203023. The reversal of 2505203011 is 1103025052.

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

It is a cyclic number.

It is not a de Polignac number, because 2505203011 - 2¹³ = 2505194819 is a prime.

It is a super-2 number, since 2×2505203011² = 12552084252646932242, which contains 22 as substring.

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 2505203011.

It is not an unprimeable number, because it can be changed into a prime (2505203611) 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, 4600 + ... + 70933.

It is an arithmetic number, because the mean of its divisors is an integer number (331745328).

Almost surely, 2^2505203011 is an apocalyptic number.

2505203011 is a deficient number, since it is larger than the sum of its proper divisors (148759613).

2505203011 is a wasteful number, since it uses less digits than its factorization.

2505203011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77501.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 2505203011 is about 50052.0030668104. The cubic root of 2505203011 is about 1358.1496988517.

Adding to 2505203011 its reverse (1103025052), we get a palindrome (3608228063).

The spelling of 2505203011 in words is "two billion, five hundred five million, two hundred three thousand, eleven".