10278554091 has 32 divisors (see below), whose sum is σ = 15245733888. Its totient is φ = 6116929920.

The previous prime is 10278554053. The next prime is 10278554113. The reversal of 10278554091 is 19045587201.

10278554091 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 10278554091 - 2⁷ = 10278553963 is a prime.

It is a super-2 number, since 2×10278554091² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10278556091) 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, 2847810 + ... + 2851416.

It is an arithmetic number, because the mean of its divisors is an integer number (476429184).

Almost surely, 2^10278554091 is an apocalyptic number.

10278554091 is a deficient number, since it is larger than the sum of its proper divisors (4967179797).

10278554091 is a wasteful number, since it uses less digits than its factorization.

10278554091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6011.

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 10278554091 in words is "ten billion, two hundred seventy-eight million, five hundred fifty-four thousand, ninety-one".