1551546055655 has 16 divisors (see below), whose sum is σ = 1867106705184. Its totient is φ = 1237738508160.

The previous prime is 1551546055649. The next prime is 1551546055669. The reversal of 1551546055655 is 5565506451551.

It is not a de Polignac number, because 1551546055655 - 2³⁸ = 1276668148711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1551546055597 and 1551546055606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4609469 + ... + 4934601.

It is an arithmetic number, because the mean of its divisors is an integer number (116694169074).

Almost surely, 2^{1551546055655} is an apocalyptic number.

1551546055655 is a deficient number, since it is larger than the sum of its proper divisors (315560649529).

1551546055655 is a wasteful number, since it uses less digits than its factorization.

1551546055655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327826.

The product of its (nonzero) digits is 11250000, while the sum is 53.

The spelling of 1551546055655 in words is "one trillion, five hundred fifty-one billion, five hundred forty-six million, fifty-five thousand, six hundred fifty-five".