1025450112191 has 2 divisors, whose sum is σ = 1025450112192. Its totient is φ = 1025450112190.

The previous prime is 1025450112179. The next prime is 1025450112251. The reversal of 1025450112191 is 1912110545201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025450112191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025450112131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512725056095 + 512725056096.

It is an arithmetic number, because the mean of its divisors is an integer number (512725056096).

Almost surely, 2^{1025450112191} is an apocalyptic number.

1025450112191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025450112191 is an equidigital number, since it uses as much as digits as its factorization.

1025450112191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 32.

Adding to 1025450112191 its reverse (1912110545201), we get a palindrome (2937560657392).

The spelling of 1025450112191 in words is "one trillion, twenty-five billion, four hundred fifty million, one hundred twelve thousand, one hundred ninety-one".