1009191084260 has 12 divisors (see below), whose sum is σ = 2119301276988. Its totient is φ = 403676433696.

The previous prime is 1009191084133. The next prime is 1009191084311. The reversal of 1009191084260 is 624801919001.

It can be written as a sum of positive squares in 2 ways, for example, as 652485910756 + 356705173504 = 807766^2 + 597248^2 .

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, 25229777087 + ... + 25229777126.

It is an arithmetic number, because the mean of its divisors is an integer number (176608439749).

Almost surely, 2^{1009191084260} is an apocalyptic number.

1009191084260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1009191084260 is an abundant number, since it is smaller than the sum of its proper divisors (1110110192728).

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

1009191084260 is a wasteful number, since it uses less digits than its factorization.

1009191084260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50459554222 (or 50459554220 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 1009191084260 in words is "one trillion, nine billion, one hundred ninety-one million, eighty-four thousand, two hundred sixty".