15551206242460 has 24 divisors (see below), whose sum is σ = 37322894982240. Its totient is φ = 5331842140224.

The previous prime is 15551206242443. The next prime is 15551206242479. The reversal of 15551206242460 is 6424260215551.

It is a happy number.

15551206242460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55540022155 + ... + 55540022434.

It is an arithmetic number, because the mean of its divisors is an integer number (1555120624260).

Almost surely, 2^{15551206242460} is an apocalyptic number.

15551206242460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15551206242460 is an abundant number, since it is smaller than the sum of its proper divisors (21771688739780).

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

15551206242460 is a wasteful number, since it uses less digits than its factorization.

15551206242460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111080044605 (or 111080044603 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 15551206242460 in words is "fifteen trillion, five hundred fifty-one billion, two hundred six million, two hundred forty-two thousand, four hundred sixty".