11551001562541 has 8 divisors (see below), whose sum is σ = 13381982241344. Its totient is φ = 9765230283360.

The previous prime is 11551001562539. The next prime is 11551001562593. The reversal of 11551001562541 is 14526510015511.

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

It is a cyclic number.

It is not a de Polignac number, because 11551001562541 - 2¹ = 11551001562539 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 11551001562541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11551001562241) 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, 11302349355 + ... + 11302350376.

It is an arithmetic number, because the mean of its divisors is an integer number (1672747780168).

Almost surely, 2^{11551001562541} is an apocalyptic number.

It is an amenable number.

11551001562541 is a deficient number, since it is larger than the sum of its proper divisors (1830980678803).

11551001562541 is an equidigital number, since it uses as much as digits as its factorization.

11551001562541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22604699811.

The product of its (nonzero) digits is 30000, while the sum is 37.

The spelling of 11551001562541 in words is "eleven trillion, five hundred fifty-one billion, one million, five hundred sixty-two thousand, five hundred forty-one".