2545431331041 has 40 divisors (see below), whose sum is σ = 3923200327200. Its totient is φ = 1643654255040.

The previous prime is 2545431331033. The next prime is 2545431331043. The reversal of 2545431331041 is 1401331345452.

2545431331041 is a `hidden beast` number, since 2 + 5 + 4 + 543 + 1 + 3 + 3 + 104 + 1 = 666.

It is not a de Polignac number, because 2545431331041 - 2³ = 2545431331033 is a prime.

It is a super-2 number, since 2×2545431331041² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2545431330987 and 2545431331005.

It is not an unprimeable number, because it can be changed into a prime (2545431331043) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2295451 + ... + 3218688.

It is an arithmetic number, because the mean of its divisors is an integer number (98080008180).

Almost surely, 2^{2545431331041} is an apocalyptic number.

It is an amenable number.

2545431331041 is a deficient number, since it is larger than the sum of its proper divisors (1377768996159).

2545431331041 is a wasteful number, since it uses less digits than its factorization.

2545431331041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514331 (or 5514322 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 2545431331041 its reverse (1401331345452), we get a palindrome (3946762676493).

The spelling of 2545431331041 in words is "two trillion, five hundred forty-five billion, four hundred thirty-one million, three hundred thirty-one thousand, forty-one".