106551615631 has 2 divisors, whose sum is σ = 106551615632. Its totient is φ = 106551615630.

The previous prime is 106551615619. The next prime is 106551615701. The reversal of 106551615631 is 136516155601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106551615631 - 2¹¹ = 106551613583 is a prime.

It is a super-2 number, since 2×106551615631² (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 (106551610631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53275807815 + 53275807816.

It is an arithmetic number, because the mean of its divisors is an integer number (53275807816).

Almost surely, 2^106551615631 is an apocalyptic number.

106551615631 is a deficient number, since it is larger than the sum of its proper divisors (1).

106551615631 is an equidigital number, since it uses as much as digits as its factorization.

106551615631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 106551615631 in words is "one hundred six billion, five hundred fifty-one million, six hundred fifteen thousand, six hundred thirty-one".