100545500551 has 2 divisors, whose sum is σ = 100545500552. Its totient is φ = 100545500550.

The previous prime is 100545500491. The next prime is 100545500563. The reversal of 100545500551 is 155005545001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100545500551 - 2⁷ = 100545500423 is a prime.

It is a super-2 number, since 2×100545500551² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100545500851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50272750275 + 50272750276.

It is an arithmetic number, because the mean of its divisors is an integer number (50272750276).

Almost surely, 2^100545500551 is an apocalyptic number.

100545500551 is a deficient number, since it is larger than the sum of its proper divisors (1).

100545500551 is an equidigital number, since it uses as much as digits as its factorization.

100545500551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12500, while the sum is 31.

The spelling of 100545500551 in words is "one hundred billion, five hundred forty-five million, five hundred thousand, five hundred fifty-one".