1154755335857 has 2 divisors, whose sum is σ = 1154755335858. Its totient is φ = 1154755335856.

The previous prime is 1154755335817. The next prime is 1154755335869. The reversal of 1154755335857 is 7585335574511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 700420021921 + 454335313936 = 836911^2 + 674044^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154755335857 - 2²² = 1154751141553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1154755335796 and 1154755335805.

It is not a weakly prime, because it can be changed into another prime (1154755335817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577377667928 + 577377667929.

It is an arithmetic number, because the mean of its divisors is an integer number (577377667929).

Almost surely, 2^{1154755335857} is an apocalyptic number.

It is an amenable number.

1154755335857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154755335857 is an equidigital number, since it uses as much as digits as its factorization.

1154755335857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100000, while the sum is 59.

The spelling of 1154755335857 in words is "one trillion, one hundred fifty-four billion, seven hundred fifty-five million, three hundred thirty-five thousand, eight hundred fifty-seven".