118187103553 has 2 divisors, whose sum is σ = 118187103554. Its totient is φ = 118187103552.

The previous prime is 118187103539. The next prime is 118187103611. The reversal of 118187103553 is 355301781811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94317780544 + 23869323009 = 307112^2 + 154497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118187103553 is a prime.

It is not a weakly prime, because it can be changed into another prime (118187103533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59093551776 + 59093551777.

It is an arithmetic number, because the mean of its divisors is an integer number (59093551777).

Almost surely, 2^118187103553 is an apocalyptic number.

It is an amenable number.

118187103553 is a deficient number, since it is larger than the sum of its proper divisors (1).

118187103553 is an equidigital number, since it uses as much as digits as its factorization.

118187103553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 43.

The spelling of 118187103553 in words is "one hundred eighteen billion, one hundred eighty-seven million, one hundred three thousand, five hundred fifty-three".