10155121054 has 32 divisors (see below), whose sum is σ = 17614086336. Its totient is φ = 4349130240.

The previous prime is 10155121013. The next prime is 10155121073. The reversal of 10155121054 is 45012155101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130417 + ... + 193180.

It is an arithmetic number, because the mean of its divisors is an integer number (550440198).

Almost surely, 2^10155121054 is an apocalyptic number.

10155121054 is a deficient number, since it is larger than the sum of its proper divisors (7458965282).

10155121054 is a wasteful number, since it uses less digits than its factorization.

10155121054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323700.

The product of its (nonzero) digits is 1000, while the sum is 25.

Adding to 10155121054 its reverse (45012155101), we get a palindrome (55167276155).

The spelling of 10155121054 in words is "ten billion, one hundred fifty-five million, one hundred twenty-one thousand, fifty-four".