11287434634 has 16 divisors (see below), whose sum is σ = 19359482688. Its totient is φ = 4835073312.

The previous prime is 11287434629. The next prime is 11287434649. The reversal of 11287434634 is 43643478211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170499 + ... + 227254.

It is an arithmetic number, because the mean of its divisors is an integer number (1209967668).

Almost surely, 2^11287434634 is an apocalyptic number.

11287434634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11287434634 is a deficient number, since it is larger than the sum of its proper divisors (8072048054).

11287434634 is a wasteful number, since it uses less digits than its factorization.

11287434634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399789.

The product of its digits is 387072, while the sum is 43.

The spelling of 11287434634 in words is "eleven billion, two hundred eighty-seven million, four hundred thirty-four thousand, six hundred thirty-four".