11988075381258 has 16 divisors (see below), whose sum is σ = 24188329089216. Its totient is φ = 3960662072640.

The previous prime is 11988075381257. The next prime is 11988075381349. The reversal of 11988075381258 is 85218357088911.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11988075381253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8840762878 + ... + 8840764233.

It is an arithmetic number, because the mean of its divisors is an integer number (1511770568076).

Almost surely, 2^{11988075381258} is an apocalyptic number.

11988075381258 is an abundant number, since it is smaller than the sum of its proper divisors (12200253707958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11988075381258 is a wasteful number, since it uses less digits than its factorization.

11988075381258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681527229.

The product of its (nonzero) digits is 38707200, while the sum is 66.

The spelling of 11988075381258 in words is "eleven trillion, nine hundred eighty-eight billion, seventy-five million, three hundred eighty-one thousand, two hundred fifty-eight".