1551410402656 has 24 divisors (see below), whose sum is σ = 3054369044664. Its totient is φ = 775697629440.

The previous prime is 1551410402593. The next prime is 1551410402783. The reversal of 1551410402656 is 6562040141551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4637436 + ... + 4960708.

It is an arithmetic number, because the mean of its divisors is an integer number (127265376861).

Almost surely, 2^{1551410402656} is an apocalyptic number.

1551410402656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1551410402656 is a deficient number, since it is larger than the sum of its proper divisors (1502958642008).

1551410402656 is a wasteful number, since it uses less digits than its factorization.

1551410402656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473254 (or 473246 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 1551410402656 in words is "one trillion, five hundred fifty-one billion, four hundred ten million, four hundred two thousand, six hundred fifty-six".