38401125514831 has 2 divisors, whose sum is σ = 38401125514832. Its totient is φ = 38401125514830.

The previous prime is 38401125514789. The next prime is 38401125514841. The reversal of 38401125514831 is 13841552110483.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38401125514831 is a prime.

It is a super-2 number, since 2×38401125514831² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38401125514841) 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, 19200562757415 + 19200562757416.

It is an arithmetic number, because the mean of its divisors is an integer number (19200562757416).

Almost surely, 2^{38401125514831} is an apocalyptic number.

38401125514831 is a deficient number, since it is larger than the sum of its proper divisors (1).

38401125514831 is an equidigital number, since it uses as much as digits as its factorization.

38401125514831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 38401125514831 in words is "thirty-eight trillion, four hundred one billion, one hundred twenty-five million, five hundred fourteen thousand, eight hundred thirty-one".