1165170061552 has 80 divisors (see below), whose sum is σ = 2682346622400. Its totient is φ = 489936615168.

The previous prime is 1165170061537. The next prime is 1165170061567. The reversal of 1165170061552 is 2551600715611.

It is an interprime number because it is at equal distance from previous prime (1165170061537) and next prime (1165170061567).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1712083 + ... + 2293810.

It is an arithmetic number, because the mean of its divisors is an integer number (33529332780).

Almost surely, 2^{1165170061552} is an apocalyptic number.

It is an amenable number.

1165170061552 is an abundant number, since it is smaller than the sum of its proper divisors (1517176560848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1165170061552 is an equidigital number, since it uses as much as digits as its factorization.

1165170061552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005975 (or 4005955 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 40.

The spelling of 1165170061552 in words is "one trillion, one hundred sixty-five billion, one hundred seventy million, sixty-one thousand, five hundred fifty-two".