1552621314651 has 16 divisors (see below), whose sum is σ = 2258463204480. Its totient is φ = 940938894720.

The previous prime is 1552621314637. The next prime is 1552621314691. The reversal of 1552621314651 is 1564131262551.

It is not a de Polignac number, because 1552621314651 - 2¹³ = 1552621306459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1552621314611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364750 + ... + 1799523.

It is an arithmetic number, because the mean of its divisors is an integer number (141153950280).

Almost surely, 2^{1552621314651} is an apocalyptic number.

1552621314651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1552621314651 is a deficient number, since it is larger than the sum of its proper divisors (705841889829).

1552621314651 is a wasteful number, since it uses less digits than its factorization.

1552621314651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186026.

The product of its digits is 216000, while the sum is 42.

The spelling of 1552621314651 in words is "one trillion, five hundred fifty-two billion, six hundred twenty-one million, three hundred fourteen thousand, six hundred fifty-one".