100601513977 has 2 divisors, whose sum is σ = 100601513978. Its totient is φ = 100601513976.

The previous prime is 100601513951. The next prime is 100601514011. The reversal of 100601513977 is 779315106001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79196653561 + 21404860416 = 281419^2 + 146304^2 .

It is a cyclic number.

It is not a de Polignac number, because 100601513977 - 2¹¹ = 100601511929 is a prime.

It is a super-2 number, since 2×100601513977² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100601513917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50300756988 + 50300756989.

It is an arithmetic number, because the mean of its divisors is an integer number (50300756989).

Almost surely, 2^100601513977 is an apocalyptic number.

It is an amenable number.

100601513977 is a deficient number, since it is larger than the sum of its proper divisors (1).

100601513977 is an equidigital number, since it uses as much as digits as its factorization.

100601513977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 40.

Adding to 100601513977 its reverse (779315106001), we get a palindrome (879916619978).

The spelling of 100601513977 in words is "one hundred billion, six hundred one million, five hundred thirteen thousand, nine hundred seventy-seven".