11559640026 has 16 divisors (see below), whose sum is σ = 25221032928. Its totient is φ = 3502921200.

The previous prime is 11559640013. The next prime is 11559640039. The reversal of 11559640026 is 62004695511.

It is an interprime number because it is at equal distance from previous prime (11559640013) and next prime (11559640039).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87572965 + ... + 87573096.

It is an arithmetic number, because the mean of its divisors is an integer number (1576314558).

Almost surely, 2^11559640026 is an apocalyptic number.

11559640026 is an abundant number, since it is smaller than the sum of its proper divisors (13661392902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11559640026 is a wasteful number, since it uses less digits than its factorization.

11559640026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175146077.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 11559640026 in words is "eleven billion, five hundred fifty-nine million, six hundred forty thousand, twenty-six".