10151561655 has 32 divisors (see below), whose sum is σ = 18052070400. Its totient is φ = 5412711456.

The previous prime is 10151561587. The next prime is 10151561657. The reversal of 10151561655 is 55616515101.

It is a happy number.

10151561655 is a `hidden beast` number, since 10 + 15 + 15 + 616 + 5 + 5 = 666.

10151561655 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 10151561655 - 2¹³ = 10151553463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10151561657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 656422 + ... + 671708.

It is an arithmetic number, because the mean of its divisors is an integer number (564127200).

Almost surely, 2^10151561655 is an apocalyptic number.

10151561655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10151561655 is a deficient number, since it is larger than the sum of its proper divisors (7900508745).

10151561655 is a wasteful number, since it uses less digits than its factorization.

10151561655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20220 (or 20214 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 10151561655 in words is "ten billion, one hundred fifty-one million, five hundred sixty-one thousand, six hundred fifty-five".