1131250121051 has 2 divisors, whose sum is σ = 1131250121052. Its totient is φ = 1131250121050.

The previous prime is 1131250121003. The next prime is 1131250121123. The reversal of 1131250121051 is 1501210521311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131250121051 - 2³⁸ = 856372214107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131250121251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565625060525 + 565625060526.

It is an arithmetic number, because the mean of its divisors is an integer number (565625060526).

Almost surely, 2^{1131250121051} is an apocalyptic number.

1131250121051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131250121051 is an equidigital number, since it uses as much as digits as its factorization.

1131250121051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 23.

Adding to 1131250121051 its reverse (1501210521311), we get a palindrome (2632460642362).

The spelling of 1131250121051 in words is "one trillion, one hundred thirty-one billion, two hundred fifty million, one hundred twenty-one thousand, fifty-one".