1091054792939 has 8 divisors (see below), whose sum is σ = 1092004663152. Its totient is φ = 1090105188480.

The previous prime is 1091054792887. The next prime is 1091054792941. The reversal of 1091054792939 is 9392974501901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1091054792939 is a prime.

It is a super-2 number, since 2×1091054792939² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1091054792039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8639924 + ... + 8765294.

It is an arithmetic number, because the mean of its divisors is an integer number (136500582894).

Almost surely, 2^{1091054792939} is an apocalyptic number.

1091054792939 is a deficient number, since it is larger than the sum of its proper divisors (949870213).

1091054792939 is a wasteful number, since it uses less digits than its factorization.

1091054792939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132877.

The product of its (nonzero) digits is 5511240, while the sum is 59.

The spelling of 1091054792939 in words is "one trillion, ninety-one billion, fifty-four million, seven hundred ninety-two thousand, nine hundred thirty-nine".