28401656053253 has 16 divisors (see below), whose sum is σ = 34097615366400. Its totient is φ = 23129549051136.

The previous prime is 28401656053241. The next prime is 28401656053259. The reversal of 28401656053253 is 35235065610482.

It is a cyclic number.

It is not a de Polignac number, because 28401656053253 - 2⁸ = 28401656052997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28401656053259) 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, 591948500 + ... + 591996477.

It is an arithmetic number, because the mean of its divisors is an integer number (2131100960400).

Almost surely, 2^{28401656053253} is an apocalyptic number.

28401656053253 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

28401656053253 is a deficient number, since it is larger than the sum of its proper divisors (5695959313147).

28401656053253 is a wasteful number, since it uses less digits than its factorization.

28401656053253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183945156.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 28401656053253 in words is "twenty-eight trillion, four hundred one billion, six hundred fifty-six million, fifty-three thousand, two hundred fifty-three".