1157202727747 has 32 divisors (see below), whose sum is σ = 1351968594624. Its totient is φ = 986990456320.

The previous prime is 1157202727741. The next prime is 1157202727801. The reversal of 1157202727747 is 7477272027511.

It is a de Polignac number, because none of the positive numbers 2^k-1157202727747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1157202727694 and 1157202727703.

It is not an unprimeable number, because it can be changed into a prime (1157202727741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7092093 + ... + 7253425.

It is an arithmetic number, because the mean of its divisors is an integer number (42249018582).

Almost surely, 2^{1157202727747} is an apocalyptic number.

1157202727747 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1157202727747 is a deficient number, since it is larger than the sum of its proper divisors (194765866877).

1157202727747 is a wasteful number, since it uses less digits than its factorization.

1157202727747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161700 (or 161678 counting only the distinct ones).

The product of its (nonzero) digits is 2689120, while the sum is 52.

The spelling of 1157202727747 in words is "one trillion, one hundred fifty-seven billion, two hundred two million, seven hundred twenty-seven thousand, seven hundred forty-seven".