100250414623861 has 2 divisors, whose sum is σ = 100250414623862. Its totient is φ = 100250414623860.

The previous prime is 100250414623841. The next prime is 100250414623867. The reversal of 100250414623861 is 168326414052001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58504523880625 + 41745890743236 = 7648825^2 + 6461106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100250414623861 is a prime.

It is a super-2 number, since 2×100250414623861² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100250414623867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50125207311930 + 50125207311931.

It is an arithmetic number, because the mean of its divisors is an integer number (50125207311931).

Almost surely, 2^{100250414623861} is an apocalyptic number.

It is an amenable number.

100250414623861 is a deficient number, since it is larger than the sum of its proper divisors (1).

100250414623861 is an equidigital number, since it uses as much as digits as its factorization.

100250414623861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 43.

Adding to 100250414623861 its reverse (168326414052001), we get a palindrome (268576828675862).

The spelling of 100250414623861 in words is "one hundred trillion, two hundred fifty billion, four hundred fourteen million, six hundred twenty-three thousand, eight hundred sixty-one".