11115553454642 has 16 divisors (see below), whose sum is σ = 20521021762752. Its totient is φ = 4397361806160.

The previous prime is 11115553454627. The next prime is 11115553454647. The reversal of 11115553454642 is 24645435551111.

It is not an unprimeable number, because it can be changed into a prime (11115553454647) 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, 30537234584 + ... + 30537234947.

It is an arithmetic number, because the mean of its divisors is an integer number (1282563860172).

Almost surely, 2^{11115553454642} is an apocalyptic number.

11115553454642 is a deficient number, since it is larger than the sum of its proper divisors (9405468308110).

11115553454642 is a wasteful number, since it uses less digits than its factorization.

11115553454642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61074469553.

The product of its digits is 1440000, while the sum is 47.

The spelling of 11115553454642 in words is "eleven trillion, one hundred fifteen billion, five hundred fifty-three million, four hundred fifty-four thousand, six hundred forty-two".