100143270061 has 6 divisors (see below), whose sum is σ = 103715563562. Its totient is φ = 96690053040.

The previous prime is 100143270053. The next prime is 100143270089. The reversal of 100143270061 is 160072341001.

It can be written as a sum of positive squares in 3 ways, for example, as 43216173225 + 56927096836 = 207885^2 + 238594^2 .

It is not a de Polignac number, because 100143270061 - 2³ = 100143270053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100143270001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59537370 + ... + 59539051.

Almost surely, 2^100143270061 is an apocalyptic number.

It is an amenable number.

100143270061 is a deficient number, since it is larger than the sum of its proper divisors (3572293501).

100143270061 is an equidigital number, since it uses as much as digits as its factorization.

100143270061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119076479 (or 119076450 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 100143270061 in words is "one hundred billion, one hundred forty-three million, two hundred seventy thousand, sixty-one".