2530155511 has 4 divisors (see below), whose sum is σ = 2724782872. Its totient is φ = 2335528152.

The previous prime is 2530155493. The next prime is 2530155521. The reversal of 2530155511 is 1155510352.

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 2530155511 - 2²⁷ = 2395937783 is a prime.

It is a super-2 number, since 2×2530155511² = 12803373819687342242, 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 2530155511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530155521) 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, 97313661 + ... + 97313686.

It is an arithmetic number, because the mean of its divisors is an integer number (681195718).

Almost surely, 2^2530155511 is an apocalyptic number.

2530155511 is a deficient number, since it is larger than the sum of its proper divisors (194627361).

2530155511 is a wasteful number, since it uses less digits than its factorization.

2530155511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194627360.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 2530155511 is about 50300.6511985680. The cubic root of 2530155511 is about 1362.6439897877.

Adding to 2530155511 its reverse (1155510352), we get a palindrome (3685665863).

The spelling of 2530155511 in words is "two billion, five hundred thirty million, one hundred fifty-five thousand, five hundred eleven".