2511645053 has 4 divisors (see below), whose sum is σ = 2530818048. Its totient is φ = 2492472060.

The previous prime is 2511645047. The next prime is 2511645067. The reversal of 2511645053 is 3505461152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2511645053 - 2²⁰ = 2510596477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2511645083) 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, 9586301 + ... + 9586562.

It is an arithmetic number, because the mean of its divisors is an integer number (632704512).

Almost surely, 2^2511645053 is an apocalyptic number.

It is an amenable number.

2511645053 is a deficient number, since it is larger than the sum of its proper divisors (19172995).

2511645053 is a wasteful number, since it uses less digits than its factorization.

2511645053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19172994.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 2511645053 is about 50116.3152376549. The cubic root of 2511645053 is about 1359.3128472525.

The spelling of 2511645053 in words is "two billion, five hundred eleven million, six hundred forty-five thousand, fifty-three".