100263364253521 has 16 divisors (see below), whose sum is σ = 114689220597504. Its totient is φ = 85863145699584.

The previous prime is 100263364253519. The next prime is 100263364253573. The reversal of 100263364253521 is 125352463362001.

It is a cyclic number.

It is not a de Polignac number, because 100263364253521 - 2¹ = 100263364253519 is a prime.

It is a super-2 number, since 2×100263364253521² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100263364253501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151800636 + ... + 152459698.

It is an arithmetic number, because the mean of its divisors is an integer number (7168076287344).

Almost surely, 2^{100263364253521} is an apocalyptic number.

It is an amenable number.

100263364253521 is a deficient number, since it is larger than the sum of its proper divisors (14425856343983).

100263364253521 is a wasteful number, since it uses less digits than its factorization.

100263364253521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678480.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 100263364253521 in words is "one hundred trillion, two hundred sixty-three billion, three hundred sixty-four million, two hundred fifty-three thousand, five hundred twenty-one".