10621136155 has 32 divisors (see below), whose sum is σ = 15450189696. Its totient is φ = 6842548224.

The previous prime is 10621136101. The next prime is 10621136161. The reversal of 10621136155 is 55163112601.

It is a happy number.

10621136155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10621136155 - 2⁷ = 10621136027 is a prime.

It is a super-2 number, since 2×10621136155² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 327847 + ... + 358783.

It is an arithmetic number, because the mean of its divisors is an integer number (482818428).

Almost surely, 2^10621136155 is an apocalyptic number.

10621136155 is a deficient number, since it is larger than the sum of its proper divisors (4829053541).

10621136155 is a wasteful number, since it uses less digits than its factorization.

10621136155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31543.

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 10621136155 its reverse (55163112601), we get a palindrome (65784248756).

The spelling of 10621136155 in words is "ten billion, six hundred twenty-one million, one hundred thirty-six thousand, one hundred fifty-five".