100501101155061 has 8 divisors (see below), whose sum is σ = 148890520229760. Its totient is φ = 67000734103356.

The previous prime is 100501101155029. The next prime is 100501101155101. The reversal of 100501101155061 is 160551101105001.

100501101155061 is a `hidden beast` number, since 1 + 0 + 0 + 5 + 0 + 1 + 101 + 1 + 550 + 6 + 1 = 666.

It is not a de Polignac number, because 100501101155061 - 2⁵ = 100501101155029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3722263005743 = 100501101155061 / (1 + 0 + 0 + 5 + 0 + 1 + 1 + 0 + 1 + 1 + 5 + 5 + 0 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100501101155561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1861131502845 + ... + 1861131502898.

It is an arithmetic number, because the mean of its divisors is an integer number (18611315028720).

Almost surely, 2^{100501101155061} is an apocalyptic number.

It is an amenable number.

100501101155061 is a deficient number, since it is larger than the sum of its proper divisors (48389419074699).

100501101155061 is an equidigital number, since it uses as much as digits as its factorization.

100501101155061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722263005752 (or 3722263005746 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 27.

The spelling of 100501101155061 in words is "one hundred trillion, five hundred one billion, one hundred one million, one hundred fifty-five thousand, sixty-one".