11556510134361 has 8 divisors (see below), whose sum is σ = 15440848615680. Its totient is φ = 7688255871312.

The previous prime is 11556510134339. The next prime is 11556510134387. The reversal of 11556510134361 is 16343101565511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11556510134361 - 2¹³ = 11556510126169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11556510138361) 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, 4021052890 + ... + 4021055763.

It is an arithmetic number, because the mean of its divisors is an integer number (1930106076960).

Almost surely, 2^{11556510134361} is an apocalyptic number.

It is an amenable number.

11556510134361 is a deficient number, since it is larger than the sum of its proper divisors (3884338481319).

11556510134361 is an equidigital number, since it uses as much as digits as its factorization.

11556510134361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8042109135.

The product of its (nonzero) digits is 162000, while the sum is 42.

Adding to 11556510134361 its reverse (16343101565511), we get a palindrome (27899611699872).

The spelling of 11556510134361 in words is "eleven trillion, five hundred fifty-six billion, five hundred ten million, one hundred thirty-four thousand, three hundred sixty-one".