11401778198632 has 16 divisors (see below), whose sum is σ = 21379499239140. Its totient is φ = 5700578401536.

The previous prime is 11401778198623. The next prime is 11401778198653. The reversal of 11401778198632 is 23689187710411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9008798149156 + 2392980049476 = 3001466^2 + 1546926^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 38681223 + ... + 38974870.

Almost surely, 2^{11401778198632} is an apocalyptic number.

It is an amenable number.

11401778198632 is a deficient number, since it is larger than the sum of its proper divisors (9977721040508).

11401778198632 is a wasteful number, since it uses less digits than its factorization.

11401778198632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77674452 (or 77674448 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 58.

The spelling of 11401778198632 in words is "eleven trillion, four hundred one billion, seven hundred seventy-eight million, one hundred ninety-eight thousand, six hundred thirty-two".