11861430236498 has 4 divisors (see below), whose sum is σ = 17792145354750. Its totient is φ = 5930715118248.

The previous prime is 11861430236449. The next prime is 11861430236503. The reversal of 11861430236498 is 89463203416811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11836923273289 + 24506963209 = 3440483^2 + 156547^2 .

It is a super-2 number, since 2×11861430236498² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2965357559123 + ... + 2965357559126.

Almost surely, 2^{11861430236498} is an apocalyptic number.

11861430236498 is a deficient number, since it is larger than the sum of its proper divisors (5930715118252).

11861430236498 is an equidigital number, since it uses as much as digits as its factorization.

11861430236498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930715118251.

The product of its (nonzero) digits is 5971968, while the sum is 56.

The spelling of 11861430236498 in words is "eleven trillion, eight hundred sixty-one billion, four hundred thirty million, two hundred thirty-six thousand, four hundred ninety-eight".