15551113141 has 32 divisors (see below), whose sum is σ = 17256038400. Its totient is φ = 13957272000.

The previous prime is 15551113129. The next prime is 15551113157. The reversal of 15551113141 is 14131115551.

It is a cyclic number.

It is not a de Polignac number, because 15551113141 - 2¹⁵ = 15551080373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15551143141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8586126 + ... + 8587936.

It is an arithmetic number, because the mean of its divisors is an integer number (539251200).

Almost surely, 2^15551113141 is an apocalyptic number.

It is an amenable number.

15551113141 is a deficient number, since it is larger than the sum of its proper divisors (1704925259).

15551113141 is a wasteful number, since it uses less digits than its factorization.

15551113141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161.

The product of its digits is 1500, while the sum is 28.

Adding to 15551113141 its reverse (14131115551), we get a palindrome (29682228692).

The spelling of 15551113141 in words is "fifteen billion, five hundred fifty-one million, one hundred thirteen thousand, one hundred forty-one".