15435254040101 has 4 divisors (see below), whose sum is σ = 17640290331552. Its totient is φ = 13230217748652.

The previous prime is 15435254040071. The next prime is 15435254040197. The reversal of 15435254040101 is 10104045253451.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-15435254040101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15435254042101) 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, 1102518145715 + ... + 1102518145728.

It is an arithmetic number, because the mean of its divisors is an integer number (4410072582888).

Almost surely, 2^{15435254040101} is an apocalyptic number.

It is an amenable number.

15435254040101 is a deficient number, since it is larger than the sum of its proper divisors (2205036291451).

15435254040101 is an equidigital number, since it uses as much as digits as its factorization.

15435254040101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205036291450.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 15435254040101 its reverse (10104045253451), we get a palindrome (25539299293552).

The spelling of 15435254040101 in words is "fifteen trillion, four hundred thirty-five billion, two hundred fifty-four million, forty thousand, one hundred one".