11557228058902 has 32 divisors (see below), whose sum is σ = 18263089958400. Its totient is φ = 5474376492288.

The previous prime is 11557228058807. The next prime is 11557228058903. The reversal of 11557228058902 is 20985082275511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11557228058903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20038599 + ... + 20607277.

It is an arithmetic number, because the mean of its divisors is an integer number (570721561200).

Almost surely, 2^{11557228058902} is an apocalyptic number.

11557228058902 is a deficient number, since it is larger than the sum of its proper divisors (6705861899498).

11557228058902 is a wasteful number, since it uses less digits than its factorization.

11557228058902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572940.

The product of its (nonzero) digits is 4032000, while the sum is 55.

The spelling of 11557228058902 in words is "eleven trillion, five hundred fifty-seven billion, two hundred twenty-eight million, fifty-eight thousand, nine hundred two".