1101161560156 has 24 divisors (see below), whose sum is σ = 2298076300800. Its totient is φ = 451407844272.

The previous prime is 1101161560151. The next prime is 1101161560171. The reversal of 1101161560156 is 6510651611011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101161560151) 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, 854938456 + ... + 854939743.

It is an arithmetic number, because the mean of its divisors is an integer number (95753179200).

Almost surely, 2^{1101161560156} is an apocalyptic number.

It is an amenable number.

1101161560156 is an abundant number, since it is smaller than the sum of its proper divisors (1196914740644).

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

1101161560156 is a wasteful number, since it uses less digits than its factorization.

1101161560156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709878233 (or 1709878231 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 34.

The spelling of 1101161560156 in words is "one trillion, one hundred one billion, one hundred sixty-one million, five hundred sixty thousand, one hundred fifty-six".