1491046359120 has 120 divisors (see below), whose sum is σ = 5301985479336. Its totient is φ = 374223396864.

The previous prime is 1491046359113. The next prime is 1491046359191. The reversal of 1491046359120 is 219536401941.

1491046359120 is a `hidden beast` number, since 1 + 4 + 9 + 1 + 0 + 4 + 635 + 9 + 1 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 796170736656 + 694875622464 = 892284^2 + 833592^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 60896517 + ... + 60920996.

Almost surely, 2^{1491046359120} is an apocalyptic number.

1491046359120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1491046359120 is an abundant number, since it is smaller than the sum of its proper divisors (3810939120216).

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

1491046359120 is a wasteful number, since it uses less digits than its factorization.

1491046359120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121817549 (or 121817540 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 1491046359120 in words is "one trillion, four hundred ninety-one billion, forty-six million, three hundred fifty-nine thousand, one hundred twenty".