100561004151 has 32 divisors (see below), whose sum is σ = 145627560960. Its totient is φ = 61519896576.

The previous prime is 100561004119. The next prime is 100561004153. The reversal of 100561004151 is 151400165001.

It is not a de Polignac number, because 100561004151 - 2⁵ = 100561004119 is a prime.

It is a super-2 number, since 2×100561004151² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100561004153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66375 + ... + 453351.

It is an arithmetic number, because the mean of its divisors is an integer number (4550861280).

Almost surely, 2^100561004151 is an apocalyptic number.

100561004151 is a deficient number, since it is larger than the sum of its proper divisors (45066556809).

100561004151 is a wasteful number, since it uses less digits than its factorization.

100561004151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387143.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 100561004151 its reverse (151400165001), we get a palindrome (251961169152).

The spelling of 100561004151 in words is "one hundred billion, five hundred sixty-one million, four thousand, one hundred fifty-one".