10055551091 has 8 divisors (see below), whose sum is σ = 10184199984. Its totient is φ = 9927544480.

The previous prime is 10055551081. The next prime is 10055551097. The reversal of 10055551091 is 19015555001.

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 10055551091 - 2²⁶ = 9988442227 is a prime.

It is a super-2 number, since 2×10055551091² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10055551097) 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, 129020 + ... + 191721.

It is an arithmetic number, because the mean of its divisors is an integer number (1273024998).

Almost surely, 2^10055551091 is an apocalyptic number.

10055551091 is a deficient number, since it is larger than the sum of its proper divisors (128648893).

10055551091 is a wasteful number, since it uses less digits than its factorization.

10055551091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321141.

The product of its (nonzero) digits is 5625, while the sum is 32.

The spelling of 10055551091 in words is "ten billion, fifty-five million, five hundred fifty-one thousand, ninety-one".