11378638588258 has 8 divisors (see below), whose sum is σ = 17068748972652. Its totient is φ = 5689055597376.

The previous prime is 11378638588231. The next prime is 11378638588277. The reversal of 11378638588258 is 85288583687311.

It can be written as a sum of positive squares in 2 ways, for example, as 11151144884889 + 227493703369 = 3339333^2 + 476963^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11378638588258² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131794435 + ... + 131880742.

Almost surely, 2^{11378638588258} is an apocalyptic number.

11378638588258 is a deficient number, since it is larger than the sum of its proper divisors (5690110384394).

11378638588258 is a wasteful number, since it uses less digits than its factorization.

11378638588258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263696756.

The product of its digits is 619315200, while the sum is 73.

The spelling of 11378638588258 in words is "eleven trillion, three hundred seventy-eight billion, six hundred thirty-eight million, five hundred eighty-eight thousand, two hundred fifty-eight".