1146627991057 has 2 divisors, whose sum is σ = 1146627991058. Its totient is φ = 1146627991056.

The previous prime is 1146627991009. The next prime is 1146627991063. The reversal of 1146627991057 is 7501997266411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 842281582081 + 304346408976 = 917759^2 + 551676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1146627991057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1146627990992 and 1146627991010.

It is not a weakly prime, because it can be changed into another prime (1146627991097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573313995528 + 573313995529.

It is an arithmetic number, because the mean of its divisors is an integer number (573313995529).

Almost surely, 2^{1146627991057} is an apocalyptic number.

It is an amenable number.

1146627991057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146627991057 is an equidigital number, since it uses as much as digits as its factorization.

1146627991057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5715360, while the sum is 58.

The spelling of 1146627991057 in words is "one trillion, one hundred forty-six billion, six hundred twenty-seven million, nine hundred ninety-one thousand, fifty-seven".