10651556540838 has 32 divisors (see below), whose sum is σ = 21319714414080. Its totient is φ = 3547753045920.

The previous prime is 10651556540831. The next prime is 10651556540839. The reversal of 10651556540838 is 83804565515601.

It is a super-3 number, since 3×10651556540838³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10651556540831) by changing a digit.

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, 39794931 + ... + 40061697.

It is an arithmetic number, because the mean of its divisors is an integer number (666241075440).

Almost surely, 2^{10651556540838} is an apocalyptic number.

10651556540838 is an abundant number, since it is smaller than the sum of its proper divisors (10668157873242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10651556540838 is a wasteful number, since it uses less digits than its factorization.

10651556540838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271932.

The product of its (nonzero) digits is 17280000, while the sum is 57.

The spelling of 10651556540838 in words is "ten trillion, six hundred fifty-one billion, five hundred fifty-six million, five hundred forty thousand, eight hundred thirty-eight".