100155758455 has 16 divisors (see below), whose sum is σ = 124463687040. Its totient is φ = 77318323488.

The previous prime is 100155758453. The next prime is 100155758497. The reversal of 100155758455 is 554857551001.

It is a cyclic number.

It is not a de Polignac number, because 100155758455 - 2¹ = 100155758453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100155758453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2788425 + ... + 2824114.

It is an arithmetic number, because the mean of its divisors is an integer number (7778980440).

Almost surely, 2^100155758455 is an apocalyptic number.

100155758455 is a deficient number, since it is larger than the sum of its proper divisors (24307928585).

100155758455 is an equidigital number, since it uses as much as digits as its factorization.

100155758455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5612670.

The product of its (nonzero) digits is 700000, while the sum is 46.

The spelling of 100155758455 in words is "one hundred billion, one hundred fifty-five million, seven hundred fifty-eight thousand, four hundred fifty-five".