251115401202383 has 2 divisors, whose sum is σ = 251115401202384. Its totient is φ = 251115401202382.

The previous prime is 251115401202277. The next prime is 251115401202427. The reversal of 251115401202383 is 383202104511152.

251115401202383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 251115401202383 - 2²⁴ = 251115384425167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251115401202583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125557700601191 + 125557700601192.

It is an arithmetic number, because the mean of its divisors is an integer number (125557700601192).

Almost surely, 2^{251115401202383} is an apocalyptic number.

251115401202383 is a deficient number, since it is larger than the sum of its proper divisors (1).

251115401202383 is an equidigital number, since it uses as much as digits as its factorization.

251115401202383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 251115401202383 in words is "two hundred fifty-one trillion, one hundred fifteen billion, four hundred one million, two hundred two thousand, three hundred eighty-three".