1151320787736 has 64 divisors (see below), whose sum is σ = 3329120390400. Its totient is φ = 324985554048.

The previous prime is 1151320787699. The next prime is 1151320787741. The reversal of 1151320787736 is 6377870231511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41269791 + ... + 41297678.

It is an arithmetic number, because the mean of its divisors is an integer number (52017506100).

Almost surely, 2^{1151320787736} is an apocalyptic number.

It is an amenable number.

1151320787736 is an abundant number, since it is smaller than the sum of its proper divisors (2177799602664).

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

1151320787736 is a wasteful number, since it uses less digits than its factorization.

1151320787736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82567568 (or 82567564 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 51.

The spelling of 1151320787736 in words is "one trillion, one hundred fifty-one billion, three hundred twenty million, seven hundred eighty-seven thousand, seven hundred thirty-six".