101403203254455 has 32 divisors (see below), whose sum is σ = 165004017292800. Its totient is φ = 53162177427072.

The previous prime is 101403203254453. The next prime is 101403203254489. The reversal of 101403203254455 is 554452302304101.

It is not a de Polignac number, because 101403203254455 - 2¹ = 101403203254453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101403203254453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13211517 + ... + 19425513.

It is an arithmetic number, because the mean of its divisors is an integer number (5156375540400).

Almost surely, 2^{101403203254455} is an apocalyptic number.

101403203254455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101403203254455 is a deficient number, since it is larger than the sum of its proper divisors (63600814038345).

101403203254455 is a wasteful number, since it uses less digits than its factorization.

101403203254455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232503.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 101403203254455 its reverse (554452302304101), we get a palindrome (655855505558556).

The spelling of 101403203254455 in words is "one hundred one trillion, four hundred three billion, two hundred three million, two hundred fifty-four thousand, four hundred fifty-five".