11441257155257 has 2 divisors, whose sum is σ = 11441257155258. Its totient is φ = 11441257155256.

The previous prime is 11441257155253. The next prime is 11441257155299. The reversal of 11441257155257 is 75255175214411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9998522257936 + 1442734897321 = 3162044^2 + 1201139^2 .

It is a cyclic number.

It is not a de Polignac number, because 11441257155257 - 2² = 11441257155253 is a prime.

It is not a weakly prime, because it can be changed into another prime (11441257155253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5720628577628 + 5720628577629.

It is an arithmetic number, because the mean of its divisors is an integer number (5720628577629).

Almost surely, 2^{11441257155257} is an apocalyptic number.

It is an amenable number.

11441257155257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11441257155257 is an equidigital number, since it uses as much as digits as its factorization.

11441257155257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1960000, while the sum is 50.

The spelling of 11441257155257 in words is "eleven trillion, four hundred forty-one billion, two hundred fifty-seven million, one hundred fifty-five thousand, two hundred fifty-seven".