911357051052131 has 4 divisors (see below), whose sum is σ = 911367029760264. Its totient is φ = 911347072344000.

The previous prime is 911357051052061. The next prime is 911357051052157. The reversal of 911357051052131 is 131250150753119.

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 911357051052131 - 2¹⁴ = 911357051035747 is a prime.

It is a super-2 number, since 2×911357051052131² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (911357051052191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4989217070 + ... + 4989399731.

It is an arithmetic number, because the mean of its divisors is an integer number (227841757440066).

Almost surely, 2^{911357051052131} is an apocalyptic number.

911357051052131 is a deficient number, since it is larger than the sum of its proper divisors (9978708133).

911357051052131 is an equidigital number, since it uses as much as digits as its factorization.

911357051052131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9978708132.

The product of its (nonzero) digits is 141750, while the sum is 44.

The spelling of 911357051052131 in words is "nine hundred eleven trillion, three hundred fifty-seven billion, fifty-one million, fifty-two thousand, one hundred thirty-one".