265245502500157 has 2 divisors, whose sum is σ = 265245502500158. Its totient is φ = 265245502500156.

The previous prime is 265245502500107. The next prime is 265245502500191. The reversal of 265245502500157 is 751005205542562.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231588924058116 + 33656578442041 = 15218046^2 + 5801429^2 .

It is a cyclic number.

It is not a de Polignac number, because 265245502500157 - 2⁴³ = 256449409477949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265245502500157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265245502500107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132622751250078 + 132622751250079.

It is an arithmetic number, because the mean of its divisors is an integer number (132622751250079).

Almost surely, 2^{265245502500157} is an apocalyptic number.

It is an amenable number.

265245502500157 is a deficient number, since it is larger than the sum of its proper divisors (1).

265245502500157 is an equidigital number, since it uses as much as digits as its factorization.

265245502500157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200000, while the sum is 49.

The spelling of 265245502500157 in words is "two hundred sixty-five trillion, two hundred forty-five billion, five hundred two million, five hundred thousand, one hundred fifty-seven".