11355131078142 has 16 divisors (see below), whose sum is σ = 22713165262080. Its totient is φ = 3784559841752.

The previous prime is 11355131077987. The next prime is 11355131078147. The reversal of 11355131078142 is 24187013155311.

It is a junction number, because it is equal to n+sod(n) for n = 11355131078094 and 11355131078103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11355131078147) 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, 120911892 + ... + 121005767.

It is an arithmetic number, because the mean of its divisors is an integer number (1419572828880).

Almost surely, 2^{11355131078142} is an apocalyptic number.

11355131078142 is an abundant number, since it is smaller than the sum of its proper divisors (11358034183938).

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

11355131078142 is a wasteful number, since it uses less digits than its factorization.

11355131078142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241925487.

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 11355131078142 in words is "eleven trillion, three hundred fifty-five billion, one hundred thirty-one million, seventy-eight thousand, one hundred forty-two".