10555000061 has 4 divisors (see below), whose sum is σ = 11110526400. Its totient is φ = 9999473724.

The previous prime is 10555000037. The next prime is 10555000073. The reversal of 10555000061 is 16000055501.

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: 16000055501 = 23 ⋅695654587.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10555000061 is a prime.

It is a super-2 number, since 2×10555000061² (a number of 21 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 (10555000021) 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, 277763141 + ... + 277763178.

It is an arithmetic number, because the mean of its divisors is an integer number (2777631600).

Almost surely, 2^10555000061 is an apocalyptic number.

It is an amenable number.

10555000061 is a deficient number, since it is larger than the sum of its proper divisors (555526339).

10555000061 is an equidigital number, since it uses as much as digits as its factorization.

10555000061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555526338.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 10555000061 its reverse (16000055501), we get a palindrome (26555055562).

The spelling of 10555000061 in words is "ten billion, five hundred fifty-five million, sixty-one", and thus it is an aban number.