1157375451785 has 32 divisors (see below), whose sum is σ = 1593846720000. Its totient is φ = 790340931072.

The previous prime is 1157375451781. The next prime is 1157375451857. The reversal of 1157375451785 is 5871545737511.

It is not a de Polignac number, because 1157375451785 - 2² = 1157375451781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1157375451781) 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, 8505716 + ... + 8640714.

It is an arithmetic number, because the mean of its divisors is an integer number (49807710000).

Almost surely, 2^{1157375451785} is an apocalyptic number.

It is an amenable number.

1157375451785 is a deficient number, since it is larger than the sum of its proper divisors (436471268215).

1157375451785 is a wasteful number, since it uses less digits than its factorization.

1157375451785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136025.

The product of its digits is 20580000, while the sum is 59.

The spelling of 1157375451785 in words is "one trillion, one hundred fifty-seven billion, three hundred seventy-five million, four hundred fifty-one thousand, seven hundred eighty-five".