1011100156 has 12 divisors (see below), whose sum is σ = 1930282200. Its totient is φ = 459590960.

The previous prime is 1011100127. The next prime is 1011100199. The reversal of 1011100156 is 6510011101.

1011100156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 11489731 + ... + 11489818.

It is an arithmetic number, because the mean of its divisors is an integer number (160856850).

Almost surely, 2^1011100156 is an apocalyptic number.

It is an amenable number.

1011100156 is a deficient number, since it is larger than the sum of its proper divisors (919182044).

1011100156 is a wasteful number, since it uses less digits than its factorization.

1011100156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22979564 (or 22979562 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 1011100156 is about 31797.8011189453. The cubic root of 1011100156 is about 1003.6864454207.

Adding to 1011100156 its reverse (6510011101), we get a palindrome (7521111257).

The spelling of 1011100156 in words is "one billion, eleven million, one hundred thousand, one hundred fifty-six".