1118402954953 has 2 divisors, whose sum is σ = 1118402954954. Its totient is φ = 1118402954952.

The previous prime is 1118402954927. The next prime is 1118402954957. The reversal of 1118402954953 is 3594592048111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 749318759424 + 369084195529 = 865632^2 + 607523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1118402954953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1118402954953.

It is not a weakly prime, because it can be changed into another prime (1118402954957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559201477476 + 559201477477.

It is an arithmetic number, because the mean of its divisors is an integer number (559201477477).

Almost surely, 2^{1118402954953} is an apocalyptic number.

It is an amenable number.

1118402954953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118402954953 is an equidigital number, since it uses as much as digits as its factorization.

1118402954953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 1118402954953 in words is "one trillion, one hundred eighteen billion, four hundred two million, nine hundred fifty-four thousand, nine hundred fifty-three".