15420530051 has 4 divisors (see below), whose sum is σ = 16327620072. Its totient is φ = 14513440032.

The previous prime is 15420530023. The next prime is 15420530101. The reversal of 15420530051 is 15003502451.

15420530051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15420530051 - 2¹⁰ = 15420529027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15420530051.

It is not an unprimeable number, because it can be changed into a prime (15420530551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453544985 + ... + 453545018.

It is an arithmetic number, because the mean of its divisors is an integer number (4081905018).

Almost surely, 2^15420530051 is an apocalyptic number.

15420530051 is a deficient number, since it is larger than the sum of its proper divisors (907090021).

15420530051 is an equidigital number, since it uses as much as digits as its factorization.

15420530051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907090020.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 15420530051 in words is "fifteen billion, four hundred twenty million, five hundred thirty thousand, fifty-one".