1165544440494 has 32 divisors (see below), whose sum is σ = 2664210405120. Its totient is φ = 332999093952.

The previous prime is 1165544440481. The next prime is 1165544440559. The reversal of 1165544440494 is 4940444455611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497097 + ... + 1605675.

It is an arithmetic number, because the mean of its divisors is an integer number (83256575160).

Almost surely, 2^{1165544440494} is an apocalyptic number.

1165544440494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1165544440494 is an abundant number, since it is smaller than the sum of its proper divisors (1498665964626).

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

1165544440494 is a wasteful number, since it uses less digits than its factorization.

1165544440494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133624.

The product of its (nonzero) digits is 5529600, while the sum is 51.

The spelling of 1165544440494 in words is "one trillion, one hundred sixty-five billion, five hundred forty-four million, four hundred forty thousand, four hundred ninety-four".