2778002553053 has 32 divisors (see below), whose sum is σ = 3675606896640. Its totient is φ = 2037992633280.

The previous prime is 2778002553049. The next prime is 2778002553089. The reversal of 2778002553053 is 3503552008772.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2778002553053 - 2² = 2778002553049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 2778002552989 and 2778002553007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2778002553023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17011403 + ... + 17173928.

It is an arithmetic number, because the mean of its divisors is an integer number (114862715520).

Almost surely, 2^{2778002553053} is an apocalyptic number.

It is an amenable number.

2778002553053 is a deficient number, since it is larger than the sum of its proper divisors (897604343587).

2778002553053 is a wasteful number, since it uses less digits than its factorization.

2778002553053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34185417.

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 2778002553053 in words is "two trillion, seven hundred seventy-eight billion, two million, five hundred fifty-three thousand, fifty-three".