1012757780055 has 16 divisors (see below), whose sum is σ = 1851899940864. Its totient is φ = 462974985120.

The previous prime is 1012757780051. The next prime is 1012757780087. The reversal of 1012757780055 is 5500877572101.

It is not a de Polignac number, because 1012757780055 - 2² = 1012757780051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012757779986 and 1012757780013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012757780051) 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, 4822655991 + ... + 4822656200.

It is an arithmetic number, because the mean of its divisors is an integer number (115743746304).

Almost surely, 2^{1012757780055} is an apocalyptic number.

1012757780055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1012757780055 is a deficient number, since it is larger than the sum of its proper divisors (839142160809).

1012757780055 is an equidigital number, since it uses as much as digits as its factorization.

1012757780055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9645312206.

The product of its (nonzero) digits is 686000, while the sum is 48.

The spelling of 1012757780055 in words is "one trillion, twelve billion, seven hundred fifty-seven million, seven hundred eighty thousand, fifty-five".