11554516131651 has 64 divisors (see below), whose sum is σ = 17398134374400. Its totient is φ = 7577607866400.

The previous prime is 11554516131647. The next prime is 11554516131661. The reversal of 11554516131651 is 15613161545511.

It is a happy number.

11554516131651 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 451 + 6 + 131 + 65 + 1 = 666.

11554516131651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11554516131651 - 2² = 11554516131647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11554516131597 and 11554516131606.

It is not an unprimeable number, because it can be changed into a prime (11554516131661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1320964660 + ... + 1320973406.

It is an arithmetic number, because the mean of its divisors is an integer number (271845849600).

Almost surely, 2^{11554516131651} is an apocalyptic number.

11554516131651 is a deficient number, since it is larger than the sum of its proper divisors (5843618242749).

11554516131651 is a wasteful number, since it uses less digits than its factorization.

11554516131651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11037 (or 11031 counting only the distinct ones).

The product of its digits is 270000, while the sum is 45.

The spelling of 11554516131651 in words is "eleven trillion, five hundred fifty-four billion, five hundred sixteen million, one hundred thirty-one thousand, six hundred fifty-one".