15551101351 has 4 divisors (see below), whose sum is σ = 15814679400. Its totient is φ = 15287523304.

The previous prime is 15551101333. The next prime is 15551101409. The reversal of 15551101351 is 15310115551.

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 15551101351 - 2¹⁵ = 15551068583 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 (15551101301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131788936 + ... + 131789053.

It is an arithmetic number, because the mean of its divisors is an integer number (3953669850).

Almost surely, 2^15551101351 is an apocalyptic number.

15551101351 is a deficient number, since it is larger than the sum of its proper divisors (263578049).

15551101351 is an equidigital number, since it uses as much as digits as its factorization.

15551101351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263578048.

The product of its (nonzero) digits is 1875, while the sum is 28.

The spelling of 15551101351 in words is "fifteen billion, five hundred fifty-one million, one hundred one thousand, three hundred fifty-one".