21024503535354 has 32 divisors (see below), whose sum is σ = 45911497973760. Its totient is φ = 6365526414000.

The previous prime is 21024503535337. The next prime is 21024503535359. The reversal of 21024503535354 is 45353530542012.

It is a super-2 number, since 2×21024503535354² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21024503535359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138305044 + ... + 138456975.

It is an arithmetic number, because the mean of its divisors is an integer number (1434734311680).

Almost surely, 2^{21024503535354} is an apocalyptic number.

21024503535354 is an abundant number, since it is smaller than the sum of its proper divisors (24886994438406).

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

21024503535354 is a wasteful number, since it uses less digits than its factorization.

21024503535354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276763186.

The product of its (nonzero) digits is 1080000, while the sum is 42.

The spelling of 21024503535354 in words is "twenty-one trillion, twenty-four billion, five hundred three million, five hundred thirty-five thousand, three hundred fifty-four".