15432026551 has 4 divisors (see below), whose sum is σ = 15432386112. Its totient is φ = 15431666992.

The previous prime is 15432026549. The next prime is 15432026557. The reversal of 15432026551 is 15562023451.

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 15432026551 - 2¹ = 15432026549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15432026557) 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, 105046 + ... + 204691.

It is an arithmetic number, because the mean of its divisors is an integer number (3858096528).

Almost surely, 2^15432026551 is an apocalyptic number.

15432026551 is a deficient number, since it is larger than the sum of its proper divisors (359561).

15432026551 is an equidigital number, since it uses as much as digits as its factorization.

15432026551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359560.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 15432026551 in words is "fifteen billion, four hundred thirty-two million, twenty-six thousand, five hundred fifty-one".