2545400105451 has 24 divisors (see below), whose sum is σ = 4337476475904. Its totient is φ = 1407594527280.

The previous prime is 2545400105447. The next prime is 2545400105467. The reversal of 2545400105451 is 1545010045452.

2545400105451 is a `hidden beast` number, since 2 + 5 + 4 + 540 + 0 + 10 + 54 + 51 = 666.

2545400105451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2545400105451 - 2² = 2545400105447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545400105251) 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, 651662181 + ... + 651666086.

It is an arithmetic number, because the mean of its divisors is an integer number (180728186496).

Almost surely, 2^{2545400105451} is an apocalyptic number.

2545400105451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2545400105451 is a deficient number, since it is larger than the sum of its proper divisors (1792076370453).

2545400105451 is a wasteful number, since it uses less digits than its factorization.

2545400105451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303328311 (or 1303328308 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 2545400105451 in words is "two trillion, five hundred forty-five billion, four hundred million, one hundred five thousand, four hundred fifty-one".