1201135111238 has 16 divisors (see below), whose sum is σ = 1880082531936. Its totient is φ = 574442183040.

The previous prime is 1201135111237. The next prime is 1201135111249. The reversal of 1201135111238 is 8321115311021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201135111238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201135111237) 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, 1783070 + ... + 2362542.

It is an arithmetic number, because the mean of its divisors is an integer number (117505158246).

Almost surely, 2^{1201135111238} is an apocalyptic number.

1201135111238 is a deficient number, since it is larger than the sum of its proper divisors (678947420698).

1201135111238 is a wasteful number, since it uses less digits than its factorization.

1201135111238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624559.

The product of its (nonzero) digits is 1440, while the sum is 29.

The spelling of 1201135111238 in words is "one trillion, two hundred one billion, one hundred thirty-five million, one hundred eleven thousand, two hundred thirty-eight".