106251455021 has 16 divisors (see below), whose sum is σ = 111575193600. Its totient is φ = 101047402800.

The previous prime is 106251455003. The next prime is 106251455041. The reversal of 106251455021 is 120554152601.

It is a cyclic number.

It is not a de Polignac number, because 106251455021 - 2¹⁴ = 106251438637 is a prime.

It is a super-2 number, since 2×106251455021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106251455041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6742970 + ... + 6758708.

It is an arithmetic number, because the mean of its divisors is an integer number (6973449600).

Almost surely, 2^106251455021 is an apocalyptic number.

It is an amenable number.

106251455021 is a deficient number, since it is larger than the sum of its proper divisors (5323738579).

106251455021 is a wasteful number, since it uses less digits than its factorization.

106251455021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19520.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 106251455021 in words is "one hundred six billion, two hundred fifty-one million, four hundred fifty-five thousand, twenty-one".