10091010555 has 24 divisors (see below), whose sum is σ = 17963819952. Its totient is φ = 5236415424.

The previous prime is 10091010541. The next prime is 10091010563. The reversal of 10091010555 is 55501019001.

10091010555 is a `hidden beast` number, since 1 + 0 + 0 + 9 + 101 + 0 + 555 = 666.

It is not a de Polignac number, because 10091010555 - 2¹⁸ = 10090748411 is a prime.

It is a super-2 number, since 2×10091010555² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3028669 + ... + 3031998.

It is an arithmetic number, because the mean of its divisors is an integer number (748492498).

Almost surely, 2^10091010555 is an apocalyptic number.

10091010555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10091010555 is a deficient number, since it is larger than the sum of its proper divisors (7872809397).

10091010555 is a wasteful number, since it uses less digits than its factorization.

10091010555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060715 (or 6060712 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 27.

Adding to 10091010555 its reverse (55501019001), we get a palindrome (65592029556).

The spelling of 10091010555 in words is "ten billion, ninety-one million, ten thousand, five hundred fifty-five".