1164209419885 has 8 divisors (see below), whose sum is σ = 1416188993400. Its totient is φ = 918609076224.

The previous prime is 1164209419859. The next prime is 1164209419897. The reversal of 1164209419885 is 5889149024611.

It can be written as a sum of positive squares in 4 ways, for example, as 141257208964 + 1022952210921 = 375842^2 + 1011411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1164209419885 - 2¹³ = 1164209411693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594807060 + ... + 1594807789.

It is an arithmetic number, because the mean of its divisors is an integer number (177023624175).

Almost surely, 2^{1164209419885} is an apocalyptic number.

It is an amenable number.

1164209419885 is a deficient number, since it is larger than the sum of its proper divisors (251979573515).

1164209419885 is an equidigital number, since it uses as much as digits as its factorization.

1164209419885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189614927.

The product of its (nonzero) digits is 4976640, while the sum is 58.

The spelling of 1164209419885 in words is "one trillion, one hundred sixty-four billion, two hundred nine million, four hundred nineteen thousand, eight hundred eighty-five".