1149918940831 has 2 divisors, whose sum is σ = 1149918940832. Its totient is φ = 1149918940830.

The previous prime is 1149918940789. The next prime is 1149918940871. The reversal of 1149918940831 is 1380498199411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1149918940831 - 2¹³ = 1149918932639 is a prime.

It is a super-2 number, since 2×1149918940831² (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 (1149918940871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574959470415 + 574959470416.

It is an arithmetic number, because the mean of its divisors is an integer number (574959470416).

Almost surely, 2^{1149918940831} is an apocalyptic number.

1149918940831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149918940831 is an equidigital number, since it uses as much as digits as its factorization.

1149918940831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 58.

The spelling of 1149918940831 in words is "one trillion, one hundred forty-nine billion, nine hundred eighteen million, nine hundred forty thousand, eight hundred thirty-one".