101380505253 has 4 divisors (see below), whose sum is σ = 135174007008. Its totient is φ = 67587003500.

The previous prime is 101380505251. The next prime is 101380505287. The reversal of 101380505253 is 352505083101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101380505253 - 2¹ = 101380505251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101380505251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16896750873 + ... + 16896750878.

It is an arithmetic number, because the mean of its divisors is an integer number (33793501752).

Almost surely, 2^101380505253 is an apocalyptic number.

It is an amenable number.

101380505253 is a deficient number, since it is larger than the sum of its proper divisors (33793501755).

101380505253 is an equidigital number, since it uses as much as digits as its factorization.

101380505253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33793501754.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 101380505253 its reverse (352505083101), we get a palindrome (453885588354).

The spelling of 101380505253 in words is "one hundred one billion, three hundred eighty million, five hundred five thousand, two hundred fifty-three".