2011031155142 has 8 divisors (see below), whose sum is σ = 3016949659776. Its totient is φ = 1005381268552.

The previous prime is 2011031155123. The next prime is 2011031155169. The reversal of 2011031155142 is 2415511301102.

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

It is a congruent number.

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, 67135793 + ... + 67165740.

It is an arithmetic number, because the mean of its divisors is an integer number (377118707472).

Almost surely, 2^{2011031155142} is an apocalyptic number.

2011031155142 is a deficient number, since it is larger than the sum of its proper divisors (1005918504634).

2011031155142 is a wasteful number, since it uses less digits than its factorization.

2011031155142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134309022.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 2011031155142 its reverse (2415511301102), we get a palindrome (4426542456244).

The spelling of 2011031155142 in words is "two trillion, eleven billion, thirty-one million, one hundred fifty-five thousand, one hundred forty-two".