10421535156536 has 64 divisors (see below), whose sum is σ = 23626548633600. Its totient is φ = 4209821223552.

The previous prime is 10421535156503. The next prime is 10421535156589. The reversal of 10421535156536 is 63565153512401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24649976 + ... + 25069191.

It is an arithmetic number, because the mean of its divisors is an integer number (369164822400).

Almost surely, 2^{10421535156536} is an apocalyptic number.

It is an amenable number.

10421535156536 is an abundant number, since it is smaller than the sum of its proper divisors (13205013477064).

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

10421535156536 is a wasteful number, since it uses less digits than its factorization.

10421535156536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49719396 (or 49719392 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 47.

Adding to 10421535156536 its reverse (63565153512401), we get a palindrome (73986688668937).

The spelling of 10421535156536 in words is "ten trillion, four hundred twenty-one billion, five hundred thirty-five million, one hundred fifty-six thousand, five hundred thirty-six".