15040450101 has 4 divisors (see below), whose sum is σ = 20053933472. Its totient is φ = 10026966732.

The previous prime is 15040450091. The next prime is 15040450111. The reversal of 15040450101 is 10105404051.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10105404051 = 3 ⋅3368468017.

It is an interprime number because it is at equal distance from previous prime (15040450091) and next prime (15040450111).

It is not a de Polignac number, because 15040450101 - 2²² = 15036255797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15040450111) 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, 2506741681 + ... + 2506741686.

It is an arithmetic number, because the mean of its divisors is an integer number (5013483368).

Almost surely, 2^15040450101 is an apocalyptic number.

It is an amenable number.

15040450101 is a deficient number, since it is larger than the sum of its proper divisors (5013483371).

15040450101 is an equidigital number, since it uses as much as digits as its factorization.

15040450101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013483370.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 15040450101 its reverse (10105404051), we get a palindrome (25145854152).

The spelling of 15040450101 in words is "fifteen billion, forty million, four hundred fifty thousand, one hundred one".