107000555721 has 4 divisors (see below), whose sum is σ = 142667407632. Its totient is φ = 71333703812.

The previous prime is 107000555681. The next prime is 107000555723. The reversal of 107000555721 is 127555000701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 127555000701 = 3 ⋅42518333567.

It is a cyclic number.

It is not a de Polignac number, because 107000555721 - 2¹³ = 107000547529 is a prime.

It is a super-2 number, since 2×107000555721² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (107000555723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17833425951 + ... + 17833425956.

It is an arithmetic number, because the mean of its divisors is an integer number (35666851908).

Almost surely, 2^107000555721 is an apocalyptic number.

It is an amenable number.

107000555721 is a deficient number, since it is larger than the sum of its proper divisors (35666851911).

107000555721 is an equidigital number, since it uses as much as digits as its factorization.

107000555721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35666851910.

The product of its (nonzero) digits is 12250, while the sum is 33.

The spelling of 107000555721 in words is "one hundred seven billion, five hundred fifty-five thousand, seven hundred twenty-one".