1155262023919 has 2 divisors, whose sum is σ = 1155262023920. Its totient is φ = 1155262023918.

The previous prime is 1155262023907. The next prime is 1155262023941. The reversal of 1155262023919 is 9193202625511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1155262023919 - 2⁹ = 1155262023407 is a prime.

It is a super-2 number, since 2×1155262023919² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1155262021919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577631011959 + 577631011960.

It is an arithmetic number, because the mean of its divisors is an integer number (577631011960).

Almost surely, 2^{1155262023919} is an apocalyptic number.

1155262023919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155262023919 is an equidigital number, since it uses as much as digits as its factorization.

1155262023919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 46.

The spelling of 1155262023919 in words is "one trillion, one hundred fifty-five billion, two hundred sixty-two million, twenty-three thousand, nine hundred nineteen".