1156101214091 has 4 divisors (see below), whose sum is σ = 1156390026792. Its totient is φ = 1155812401392.

The previous prime is 1156101214043. The next prime is 1156101214097. The reversal of 1156101214091 is 1904121016511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1156101214091 - 2⁶ = 1156101214027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1156101214097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144400346 + ... + 144408351.

It is an arithmetic number, because the mean of its divisors is an integer number (289097506698).

Almost surely, 2^{1156101214091} is an apocalyptic number.

1156101214091 is a deficient number, since it is larger than the sum of its proper divisors (288812701).

1156101214091 is an equidigital number, since it uses as much as digits as its factorization.

1156101214091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288812700.

The product of its (nonzero) digits is 2160, while the sum is 32.

The spelling of 1156101214091 in words is "one trillion, one hundred fifty-six billion, one hundred one million, two hundred fourteen thousand, ninety-one".