1290162875055 has 16 divisors (see below), whose sum is σ = 2066286395520. Its totient is φ = 687411601568.

The previous prime is 1290162875051. The next prime is 1290162875119. The reversal of 1290162875055 is 5505782610921.

It is a cyclic number.

It is not a de Polignac number, because 1290162875055 - 2² = 1290162875051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1290162874989 and 1290162875007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290162875051) 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, 42188277 + ... + 42218846.

It is an arithmetic number, because the mean of its divisors is an integer number (129142899720).

Almost surely, 2^{1290162875055} is an apocalyptic number.

1290162875055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1290162875055 is a deficient number, since it is larger than the sum of its proper divisors (776123520465).

1290162875055 is a wasteful number, since it uses less digits than its factorization.

1290162875055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84408150.

The product of its (nonzero) digits is 1512000, while the sum is 51.

The spelling of 1290162875055 in words is "one trillion, two hundred ninety billion, one hundred sixty-two million, eight hundred seventy-five thousand, fifty-five".