15551426034 has 112 divisors (see below), whose sum is σ = 37388784384. Its totient is φ = 4837060800.

The previous prime is 15551426027. The next prime is 15551426047. The reversal of 15551426034 is 43062415551.

15551426034 is a `hidden beast` number, since 1 + 5 + 5 + 5 + 1 + 42 + 603 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 15551426034.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1369239 + ... + 1380549.

It is an arithmetic number, because the mean of its divisors is an integer number (333828432).

Almost surely, 2^15551426034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15551426034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18694392192).

15551426034 is an abundant number, since it is smaller than the sum of its proper divisors (21837358350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15551426034 is a wasteful number, since it uses less digits than its factorization.

15551426034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11395 (or 11380 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 15551426034 in words is "fifteen billion, five hundred fifty-one million, four hundred twenty-six thousand, thirty-four".