118511009537 has 2 divisors, whose sum is σ = 118511009538. Its totient is φ = 118511009536.

The previous prime is 118511009503. The next prime is 118511009563. The reversal of 118511009537 is 735900115811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100212766096 + 18298243441 = 316564^2 + 135271^2 .

It is a cyclic number.

It is not a de Polignac number, because 118511009537 - 2⁶ = 118511009473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118511009494 and 118511009503.

It is not a weakly prime, because it can be changed into another prime (118511009567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59255504768 + 59255504769.

It is an arithmetic number, because the mean of its divisors is an integer number (59255504769).

Almost surely, 2^118511009537 is an apocalyptic number.

It is an amenable number.

118511009537 is a deficient number, since it is larger than the sum of its proper divisors (1).

118511009537 is an equidigital number, since it uses as much as digits as its factorization.

118511009537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 41.

The spelling of 118511009537 in words is "one hundred eighteen billion, five hundred eleven million, nine thousand, five hundred thirty-seven".