1157172061743 has 32 divisors (see below), whose sum is σ = 1778371660800. Its totient is φ = 743105188800.

The previous prime is 1157172061709. The next prime is 1157172061751. The reversal of 1157172061743 is 3471602717511.

1157172061743 is a `hidden beast` number, since 1 + 1 + 5 + 7 + 1 + 7 + 20 + 617 + 4 + 3 = 666.

It is not a de Polignac number, because 1157172061743 - 2¹⁰ = 1157172060719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157172061543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6528513 + ... + 6703418.

It is an arithmetic number, because the mean of its divisors is an integer number (55574114400).

Almost surely, 2^{1157172061743} is an apocalyptic number.

1157172061743 is a deficient number, since it is larger than the sum of its proper divisors (621199599057).

1157172061743 is a wasteful number, since it uses less digits than its factorization.

1157172061743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13232060 (or 13232054 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The spelling of 1157172061743 in words is "one trillion, one hundred fifty-seven billion, one hundred seventy-two million, sixty-one thousand, seven hundred forty-three".