11555451351 has 6 divisors (see below), whose sum is σ = 16691207520. Its totient is φ = 7703634228.

The previous prime is 11555451343. The next prime is 11555451353. The reversal of 11555451351 is 15315455511.

11555451351 is a `hidden beast` number, since 1 + 1 + 5 + 554 + 51 + 3 + 51 = 666.

It is not a de Polignac number, because 11555451351 - 2³ = 11555451343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11555451353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 641969511 + ... + 641969528.

It is an arithmetic number, because the mean of its divisors is an integer number (2781867920).

Almost surely, 2^11555451351 is an apocalyptic number.

11555451351 is a deficient number, since it is larger than the sum of its proper divisors (5135756169).

11555451351 is a wasteful number, since it uses less digits than its factorization.

11555451351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283939045 (or 1283939042 counting only the distinct ones).

The product of its digits is 37500, while the sum is 36.

The spelling of 11555451351 in words is "eleven billion, five hundred fifty-five million, four hundred fifty-one thousand, three hundred fifty-one".