55511651151 has 48 divisors (see below), whose sum is σ = 90157197312. Its totient is φ = 32621097600.

The previous prime is 55511651149. The next prime is 55511651203. The reversal of 55511651151 is 15115611555.

55511651151 is a `hidden beast` number, since 5 + 551 + 1 + 6 + 51 + 1 + 51 = 666.

55511651151 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 55511651151 - 2¹ = 55511651149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55511651101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 619666 + ... + 703568.

It is an arithmetic number, because the mean of its divisors is an integer number (1878274944).

Almost surely, 2^55511651151 is an apocalyptic number.

55511651151 is a deficient number, since it is larger than the sum of its proper divisors (34645546161).

55511651151 is a wasteful number, since it uses less digits than its factorization.

55511651151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84124 (or 84121 counting only the distinct ones).

The product of its digits is 18750, while the sum is 36.

The spelling of 55511651151 in words is "fifty-five billion, five hundred eleven million, six hundred fifty-one thousand, one hundred fifty-one".