1201114744857 has 80 divisors (see below), whose sum is σ = 1910328905232. Its totient is φ = 749475901440.

The previous prime is 1201114744847. The next prime is 1201114744889. The reversal of 1201114744857 is 7584474111021.

1201114744857 is a `hidden beast` number, since 1 + 2 + 0 + 11 + 147 + 448 + 57 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 100271022336 + 1100843722521 = 316656^2 + 1049211^2 .

It is not a de Polignac number, because 1201114744857 - 2⁷ = 1201114744729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201114744847) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 215521123 + ... + 215526695.

Almost surely, 2^{1201114744857} is an apocalyptic number.

1201114744857 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1201114744857 is a deficient number, since it is larger than the sum of its proper divisors (709214160375).

1201114744857 is a wasteful number, since it uses less digits than its factorization.

1201114744857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440 (or 6431 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

Adding to 1201114744857 its reverse (7584474111021), we get a palindrome (8785588855878).

The spelling of 1201114744857 in words is "one trillion, two hundred one billion, one hundred fourteen million, seven hundred forty-four thousand, eight hundred fifty-seven".