2645005011 has 16 divisors (see below), whose sum is σ = 3883241088. Its totient is φ = 1588049600.

The previous prime is 2645005003. The next prime is 2645005019. The reversal of 2645005011 is 1105005462.

It is an interprime number because it is at equal distance from previous prime (2645005003) and next prime (2645005019).

It is a cyclic number.

It is not a de Polignac number, because 2645005011 - 2³ = 2645005003 is a prime.

It is a super-2 number, since 2×2645005011² = 13992103016430220242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2645005019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371010 + ... + 378071.

It is an arithmetic number, because the mean of its divisors is an integer number (242702568).

Almost surely, 2^2645005011 is an apocalyptic number.

2645005011 is a deficient number, since it is larger than the sum of its proper divisors (1238236077).

2645005011 is a wasteful number, since it uses less digits than its factorization.

2645005011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749202.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2645005011 is about 51429.6121995879. The cubic root of 2645005011 is about 1382.9574972730.

The spelling of 2645005011 in words is "two billion, six hundred forty-five million, five thousand, eleven".