1101055155442 has 32 divisors (see below), whose sum is σ = 1807104349440. Its totient is φ = 498986872320.

The previous prime is 1101055155439. The next prime is 1101055155451. The reversal of 1101055155442 is 2445515501011.

It is a junction number, because it is equal to n+sod(n) for n = 1101055155398 and 1101055155407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21737698 + ... + 21788290.

It is an arithmetic number, because the mean of its divisors is an integer number (56472010920).

Almost surely, 2^{1101055155442} is an apocalyptic number.

1101055155442 is a deficient number, since it is larger than the sum of its proper divisors (706049193998).

1101055155442 is a wasteful number, since it uses less digits than its factorization.

1101055155442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53538.

The product of its (nonzero) digits is 20000, while the sum is 34.

The spelling of 1101055155442 in words is "one trillion, one hundred one billion, fifty-five million, one hundred fifty-five thousand, four hundred forty-two".