100601522651 has 12 divisors (see below), whose sum is σ = 117032145552. Its totient is φ = 86225540688.

The previous prime is 100601522561. The next prime is 100601522657. The reversal of 100601522651 is 156225106001.

It is a happy number.

It is not a de Polignac number, because 100601522651 - 2³⁰ = 99527780827 is a prime.

It is a super-3 number, since 3×100601522651³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (100601522657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1279586 + ... + 1355928.

It is an arithmetic number, because the mean of its divisors is an integer number (9752678796).

Almost surely, 2^100601522651 is an apocalyptic number.

100601522651 is a deficient number, since it is larger than the sum of its proper divisors (16430622901).

100601522651 is an equidigital number, since it uses as much as digits as its factorization.

100601522651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103250 (or 103243 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 100601522651 its reverse (156225106001), we get a palindrome (256826628652).

The spelling of 100601522651 in words is "one hundred billion, six hundred one million, five hundred twenty-two thousand, six hundred fifty-one".