11621056435 has 16 divisors (see below), whose sum is σ = 14773116096. Its totient is φ = 8745504768.

The previous prime is 11621056411. The next prime is 11621056453. The reversal of 11621056435 is 53465012611.

It is a cyclic number.

It is not a de Polignac number, because 11621056435 - 2¹⁷ = 11620925363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11621056435.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137554 + ... + 205336.

It is an arithmetic number, because the mean of its divisors is an integer number (923319756).

Almost surely, 2^11621056435 is an apocalyptic number.

11621056435 is a deficient number, since it is larger than the sum of its proper divisors (3152059661).

11621056435 is a wasteful number, since it uses less digits than its factorization.

11621056435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69822.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 11621056435 in words is "eleven billion, six hundred twenty-one million, fifty-six thousand, four hundred thirty-five".