20240135556111 has 24 divisors (see below), whose sum is σ = 31085022421440. Its totient is φ = 12646556084736.

The previous prime is 20240135556107. The next prime is 20240135556283. The reversal of 20240135556111 is 11165553104202.

20240135556111 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 0 + 1 + 35 + 5 + 5 + 611 + 1 = 666.

It is not a de Polignac number, because 20240135556111 - 2² = 20240135556107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240135552111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276717550 + ... + 276790683.

It is an arithmetic number, because the mean of its divisors is an integer number (1295209267560).

Almost surely, 2^{20240135556111} is an apocalyptic number.

20240135556111 is a deficient number, since it is larger than the sum of its proper divisors (10844886865329).

20240135556111 is a wasteful number, since it uses less digits than its factorization.

20240135556111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553508495 (or 553508492 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 20240135556111 in words is "twenty trillion, two hundred forty billion, one hundred thirty-five million, five hundred fifty-six thousand, one hundred eleven".