106571015550 has 168 divisors, whose sum is σ = 297557524296. Its totient is φ = 28384499520.

The previous prime is 106571015543. The next prime is 106571015557. The reversal of 106571015550 is 55510175601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (106571015543) and next prime (106571015557).

It is a super-2 number, since 2×106571015550² (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 (106571015557) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 47639032 + ... + 47641268.

Almost surely, 2^106571015550 is an apocalyptic number.

106571015550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 106571015550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148778762148).

106571015550 is an abundant number, since it is smaller than the sum of its proper divisors (190986508746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106571015550 is a wasteful number, since it uses less digits than its factorization.

106571015550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574 (or 3554 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 36.

The spelling of 106571015550 in words is "one hundred six billion, five hundred seventy-one million, fifteen thousand, five hundred fifty".