11541357671678 has 4 divisors (see below), whose sum is σ = 17312036507520. Its totient is φ = 5770678835838.

The previous prime is 11541357671653. The next prime is 11541357671689. The reversal of 11541357671678 is 87617675314511.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11541357671678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2885339417918 + ... + 2885339417921.

It is an arithmetic number, because the mean of its divisors is an integer number (4328009126880).

Almost surely, 2^{11541357671678} is an apocalyptic number.

11541357671678 is a deficient number, since it is larger than the sum of its proper divisors (5770678835842).

11541357671678 is an equidigital number, since it uses as much as digits as its factorization.

11541357671678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770678835841.

The product of its digits is 29635200, while the sum is 62.

The spelling of 11541357671678 in words is "eleven trillion, five hundred forty-one billion, three hundred fifty-seven million, six hundred seventy-one thousand, six hundred seventy-eight".