1151871944087 has 2 divisors, whose sum is σ = 1151871944088. Its totient is φ = 1151871944086.

The previous prime is 1151871944023. The next prime is 1151871944107. The reversal of 1151871944087 is 7804491781511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1151871944087 - 2⁶ = 1151871944023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151871944387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575935972043 + 575935972044.

It is an arithmetic number, because the mean of its divisors is an integer number (575935972044).

Almost surely, 2^{1151871944087} is an apocalyptic number.

1151871944087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151871944087 is an equidigital number, since it uses as much as digits as its factorization.

1151871944087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 56.

The spelling of 1151871944087 in words is "one trillion, one hundred fifty-one billion, eight hundred seventy-one million, nine hundred forty-four thousand, eighty-seven".