99271269511 has 4 divisors (see below), whose sum is σ = 99308775472. Its totient is φ = 99233763552.

The previous prime is 99271269481. The next prime is 99271269533. The reversal of 99271269511 is 11596217299.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99271269511 - 2⁵ = 99271269479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99271260511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18749010 + ... + 18754303.

It is an arithmetic number, because the mean of its divisors is an integer number (24827193868).

Almost surely, 2^99271269511 is an apocalyptic number.

99271269511 is a deficient number, since it is larger than the sum of its proper divisors (37505961).

99271269511 is a wasteful number, since it uses less digits than its factorization.

99271269511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37505960.

The product of its digits is 612360, while the sum is 52.

The spelling of 99271269511 in words is "ninety-nine billion, two hundred seventy-one million, two hundred sixty-nine thousand, five hundred eleven".