41121071787 has 30 divisors (see below), whose sum is σ = 57096934972. Its totient is φ = 26324529296.

The previous prime is 41121071759. The next prime is 41121071857. The reversal of 41121071787 is 78717012114.

It is not a de Polignac number, because 41121071787 - 2⁶ = 41121071723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41121071737) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 775869253 + ... + 775869305.

Almost surely, 2^41121071787 is an apocalyptic number.

41121071787 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

41121071787 is a deficient number, since it is larger than the sum of its proper divisors (15975863185).

41121071787 is an frugal number, since it uses more digits than its factorization.

41121071787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 39.

The spelling of 41121071787 in words is "forty-one billion, one hundred twenty-one million, seventy-one thousand, seven hundred eighty-seven".