2505105987069 has 24 divisors (see below), whose sum is σ = 3888300736800. Its totient is φ = 1430446420704.

The previous prime is 2505105987061. The next prime is 2505105987077. The reversal of 2505105987069 is 9607895015052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2505105987061) and next prime (2505105987077).

It is not a de Polignac number, because 2505105987069 - 2³ = 2505105987061 is a prime.

It is a super-2 number, since 2×2505105987069² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505105987061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6004119 + ... + 6407780.

It is an arithmetic number, because the mean of its divisors is an integer number (162012530700).

Almost surely, 2^{2505105987069} is an apocalyptic number.

It is an amenable number.

2505105987069 is a deficient number, since it is larger than the sum of its proper divisors (1383194749731).

2505105987069 is a wasteful number, since it uses less digits than its factorization.

2505105987069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12413289 (or 12413282 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 57.

The spelling of 2505105987069 in words is "two trillion, five hundred five billion, one hundred five million, nine hundred eighty-seven thousand, sixty-nine".