100250045977 has 2 divisors, whose sum is σ = 100250045978. Its totient is φ = 100250045976.

The previous prime is 100250045969. The next prime is 100250046023. The reversal of 100250045977 is 779540052001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94532266521 + 5717779456 = 307461^2 + 75616^2 .

It is a cyclic number.

It is not a de Polignac number, because 100250045977 - 2³ = 100250045969 is a prime.

It is a super-2 number, since 2×100250045977² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100250045377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50125022988 + 50125022989.

It is an arithmetic number, because the mean of its divisors is an integer number (50125022989).

Almost surely, 2^100250045977 is an apocalyptic number.

It is an amenable number.

100250045977 is a deficient number, since it is larger than the sum of its proper divisors (1).

100250045977 is an equidigital number, since it uses as much as digits as its factorization.

100250045977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 40.

Adding to 100250045977 its reverse (779540052001), we get a palindrome (879790097978).

The spelling of 100250045977 in words is "one hundred billion, two hundred fifty million, forty-five thousand, nine hundred seventy-seven".