1091910192010 has 64 divisors (see below), whose sum is σ = 2157259319424. Its totient is φ = 394628281600.

The previous prime is 1091910192007. The next prime is 1091910192017. The reversal of 1091910192010 is 102910191901.

It is not an unprimeable number, because it can be changed into a prime (1091910192017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21015624 + ... + 21067516.

It is an arithmetic number, because the mean of its divisors is an integer number (33707176866).

Almost surely, 2^{1091910192010} is an apocalyptic number.

1091910192010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1091910192010 is a deficient number, since it is larger than the sum of its proper divisors (1065349127414).

1091910192010 is a wasteful number, since it uses less digits than its factorization.

1091910192010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53079.

The product of its (nonzero) digits is 1458, while the sum is 34.

The spelling of 1091910192010 in words is "one trillion, ninety-one billion, nine hundred ten million, one hundred ninety-two thousand, ten".