2545152864892 has 24 divisors (see below), whose sum is σ = 4860354643200. Its totient is φ = 1156548035760.

The previous prime is 2545152864871. The next prime is 2545152864893. The reversal of 2545152864892 is 2984682515452.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2545152864892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545152864893) 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, 8339142 + ... + 8638957.

It is an arithmetic number, because the mean of its divisors is an integer number (202514776800).

Almost surely, 2^{2545152864892} is an apocalyptic number.

2545152864892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2545152864892 is a deficient number, since it is larger than the sum of its proper divisors (2315201778308).

2545152864892 is a wasteful number, since it uses less digits than its factorization.

2545152864892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16981521 (or 16981519 counting only the distinct ones).

The product of its digits is 55296000, while the sum is 61.

The spelling of 2545152864892 in words is "two trillion, five hundred forty-five billion, one hundred fifty-two million, eight hundred sixty-four thousand, eight hundred ninety-two".