1156736464720 has 40 divisors (see below), whose sum is σ = 2690818497576. Its totient is φ = 462452656128.

The previous prime is 1156736464691. The next prime is 1156736464757. The reversal of 1156736464720 is 274646376511.

It can be written as a sum of positive squares in 4 ways, for example, as 701888732944 + 454847731776 = 837788^2 + 674424^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 3626157 + ... + 3932236.

Almost surely, 2^{1156736464720} is an apocalyptic number.

1156736464720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156736464720 is an abundant number, since it is smaller than the sum of its proper divisors (1534082032856).

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

1156736464720 is a wasteful number, since it uses less digits than its factorization.

1156736464720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7560319 (or 7560313 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 1156736464720 in words is "one trillion, one hundred fifty-six billion, seven hundred thirty-six million, four hundred sixty-four thousand, seven hundred twenty".