2501501250191 has 2 divisors, whose sum is σ = 2501501250192. Its totient is φ = 2501501250190.

The previous prime is 2501501250119. The next prime is 2501501250233. The reversal of 2501501250191 is 1910521051052.

Together with previous prime (2501501250119) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2501501250191 - 2³⁰ = 2500427508367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2501501253191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250750625095 + 1250750625096.

It is an arithmetic number, because the mean of its divisors is an integer number (1250750625096).

Almost surely, 2^{2501501250191} is an apocalyptic number.

2501501250191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2501501250191 is an equidigital number, since it uses as much as digits as its factorization.

2501501250191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 32.

The spelling of 2501501250191 in words is "two trillion, five hundred one billion, five hundred one million, two hundred fifty thousand, one hundred ninety-one".