1154895046397 has 2 divisors, whose sum is σ = 1154895046398. Its totient is φ = 1154895046396.

The previous prime is 1154895046379. The next prime is 1154895046411. The reversal of 1154895046397 is 7936405984511.

It is a happy number.

Together with previous prime (1154895046379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 693057915001 + 461837131396 = 832501^2 + 679586^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154895046397 - 2⁸ = 1154895046141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1154895046337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577447523198 + 577447523199.

It is an arithmetic number, because the mean of its divisors is an integer number (577447523199).

Almost surely, 2^{1154895046397} is an apocalyptic number.

It is an amenable number.

1154895046397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154895046397 is an equidigital number, since it uses as much as digits as its factorization.

1154895046397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32659200, while the sum is 62.

The spelling of 1154895046397 in words is "one trillion, one hundred fifty-four billion, eight hundred ninety-five million, forty-six thousand, three hundred ninety-seven".