2045400352555 has 16 divisors (see below), whose sum is σ = 2814257698560. Its totient is φ = 1397991634272.

The previous prime is 2045400352547. The next prime is 2045400352559. The reversal of 2045400352555 is 5552530045402.

It is a cyclic number.

It is not a de Polignac number, because 2045400352555 - 2³ = 2045400352547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2045400352559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95168425 + ... + 95189914.

It is an arithmetic number, because the mean of its divisors is an integer number (175891106160).

Almost surely, 2^{2045400352555} is an apocalyptic number.

2045400352555 is a deficient number, since it is larger than the sum of its proper divisors (768857346005).

2045400352555 is a wasteful number, since it uses less digits than its factorization.

2045400352555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190358658.

The product of its (nonzero) digits is 600000, while the sum is 40.

Adding to 2045400352555 its reverse (5552530045402), we get a palindrome (7597930397957).

The spelling of 2045400352555 in words is "two trillion, forty-five billion, four hundred million, three hundred fifty-two thousand, five hundred fifty-five".