15506060051 has 4 divisors (see below), whose sum is σ = 15506818992. Its totient is φ = 15505301112.

The previous prime is 15506060041. The next prime is 15506060057. The reversal of 15506060051 is 15006060551.

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 15506060051 - 2²² = 15501865747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15506059996 and 15506060023.

It is not an unprimeable number, because it can be changed into a prime (15506060057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347951 + ... + 389976.

It is an arithmetic number, because the mean of its divisors is an integer number (3876704748).

Almost surely, 2^15506060051 is an apocalyptic number.

15506060051 is a deficient number, since it is larger than the sum of its proper divisors (758941).

15506060051 is an equidigital number, since it uses as much as digits as its factorization.

15506060051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758940.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 15506060051 in words is "fifteen billion, five hundred six million, sixty thousand, fifty-one".