1165570087740 has 24 divisors (see below), whose sum is σ = 3263596245840. Its totient is φ = 310818690048.

The previous prime is 1165570087727. The next prime is 1165570087817. The reversal of 1165570087740 is 477800755611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9713084005 + ... + 9713084124.

It is an arithmetic number, because the mean of its divisors is an integer number (135983176910).

Almost surely, 2^{1165570087740} is an apocalyptic number.

1165570087740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1165570087740 is an abundant number, since it is smaller than the sum of its proper divisors (2098026158100).

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

1165570087740 is a wasteful number, since it uses less digits than its factorization.

1165570087740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19426168141 (or 19426168139 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 51.

The spelling of 1165570087740 in words is "one trillion, one hundred sixty-five billion, five hundred seventy million, eighty-seven thousand, seven hundred forty".