2775122572045 has 16 divisors (see below), whose sum is σ = 3378894796800. Its totient is φ = 2187834231744.

The previous prime is 2775122571971. The next prime is 2775122572049. The reversal of 2775122572045 is 5402752215772.

It is a cyclic number.

It is not a de Polignac number, because 2775122572045 - 2⁷ = 2775122571917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2775122572045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775122572049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14570727 + ... + 14759956.

It is an arithmetic number, because the mean of its divisors is an integer number (211180924800).

Almost surely, 2^{2775122572045} is an apocalyptic number.

It is an amenable number.

2775122572045 is a deficient number, since it is larger than the sum of its proper divisors (603772224755).

2775122572045 is a wasteful number, since it uses less digits than its factorization.

2775122572045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29330964.

The product of its (nonzero) digits is 2744000, while the sum is 49.

The spelling of 2775122572045 in words is "two trillion, seven hundred seventy-five billion, one hundred twenty-two million, five hundred seventy-two thousand, forty-five".