1152102172777 has 4 divisors (see below), whose sum is σ = 1152115382916. Its totient is φ = 1152088962640.

The previous prime is 1152102172769. The next prime is 1152102172801. The reversal of 1152102172777 is 7772712012511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 864483410176 + 287618762601 = 929776^2 + 536301^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152102172777 - 2³ = 1152102172769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152102172577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6473374 + ... + 6648967.

It is an arithmetic number, because the mean of its divisors is an integer number (288028845729).

Almost surely, 2^{1152102172777} is an apocalyptic number.

It is an amenable number.

1152102172777 is a deficient number, since it is larger than the sum of its proper divisors (13210139).

1152102172777 is an equidigital number, since it uses as much as digits as its factorization.

1152102172777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13210138.

The product of its (nonzero) digits is 96040, while the sum is 43.

The spelling of 1152102172777 in words is "one trillion, one hundred fifty-two billion, one hundred two million, one hundred seventy-two thousand, seven hundred seventy-seven".