250172155011011 has 2 divisors, whose sum is σ = 250172155011012. Its totient is φ = 250172155011010.

The previous prime is 250172155011001. The next prime is 250172155011071. The reversal of 250172155011011 is 110110551271052.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250172155011011 is a prime.

It is a super-2 number, since 2×250172155011011² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (250172155011001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125086077505505 + 125086077505506.

It is an arithmetic number, because the mean of its divisors is an integer number (125086077505506).

Almost surely, 2^{250172155011011} is an apocalyptic number.

250172155011011 is a deficient number, since it is larger than the sum of its proper divisors (1).

250172155011011 is an equidigital number, since it uses as much as digits as its factorization.

250172155011011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3500, while the sum is 32.

The spelling of 250172155011011 in words is "two hundred fifty trillion, one hundred seventy-two billion, one hundred fifty-five million, eleven thousand, eleven".