10556035421 has 8 divisors (see below), whose sum is σ = 10734711000. Its totient is φ = 10377541440.

The previous prime is 10556035417. The next prime is 10556035423. The reversal of 10556035421 is 12453065501.

It can be written as a sum of positive squares in 4 ways, for example, as 2481036100 + 8074999321 = 49810^2 + 89861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10556035421 - 2² = 10556035417 is a prime.

It is a super-2 number, since 2×10556035421² (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 (10556035423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74495 + ... + 163283.

It is an arithmetic number, because the mean of its divisors is an integer number (1341838875).

Almost surely, 2^10556035421 is an apocalyptic number.

It is an amenable number.

10556035421 is a deficient number, since it is larger than the sum of its proper divisors (178675579).

10556035421 is an equidigital number, since it uses as much as digits as its factorization.

10556035421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90799.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 10556035421 in words is "ten billion, five hundred fifty-six million, thirty-five thousand, four hundred twenty-one".