155556112061465 has 8 divisors (see below), whose sum is σ = 186667982872008. Its totient is φ = 124444457383680.

The previous prime is 155556112061407. The next prime is 155556112061477. The reversal of 155556112061465 is 564160211655551.

155556112061465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1465002799129 + 154091109262336 = 1210373^2 + 12413344^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155556112061465 - 2⁸ = 155556112061209 is a prime.

It is a Duffinian 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, 52445552 + ... + 55332161.

It is an arithmetic number, because the mean of its divisors is an integer number (23333497859001).

Almost surely, 2^{155556112061465} is an apocalyptic number.

It is an amenable number.

155556112061465 is a deficient number, since it is larger than the sum of its proper divisors (31111870810543).

155556112061465 is a wasteful number, since it uses less digits than its factorization.

155556112061465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108066379.

The product of its (nonzero) digits is 5400000, while the sum is 53.

The spelling of 155556112061465 in words is "one hundred fifty-five trillion, five hundred fifty-six billion, one hundred twelve million, sixty-one thousand, four hundred sixty-five".