1091177948102 has 16 divisors (see below), whose sum is σ = 1787910281424. Its totient is φ = 495338208000.

The previous prime is 1091177947999. The next prime is 1091177948149. The reversal of 1091177948102 is 2018497711901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32571299 + ... + 32604782.

It is an arithmetic number, because the mean of its divisors is an integer number (111744392589).

Almost surely, 2^{1091177948102} is an apocalyptic number.

1091177948102 is a deficient number, since it is larger than the sum of its proper divisors (696732333322).

1091177948102 is a wasteful number, since it uses less digits than its factorization.

1091177948102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65176855.

The product of its (nonzero) digits is 254016, while the sum is 50.

The spelling of 1091177948102 in words is "one trillion, ninety-one billion, one hundred seventy-seven million, nine hundred forty-eight thousand, one hundred two".