1552514043451 has 16 divisors (see below), whose sum is σ = 1775185632000. Its totient is φ = 1330063640928.

The previous prime is 1552514043397. The next prime is 1552514043461. The reversal of 1552514043451 is 1543404152551.

It is a cyclic number.

It is not a de Polignac number, because 1552514043451 - 2¹⁹ = 1552513519163 is a prime.

It is a super-2 number, since 2×1552514043451² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552514043461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225031200 + ... + 225038098.

It is an arithmetic number, because the mean of its divisors is an integer number (110949102000).

Almost surely, 2^{1552514043451} is an apocalyptic number.

1552514043451 is a deficient number, since it is larger than the sum of its proper divisors (222671588549).

1552514043451 is an equidigital number, since it uses as much as digits as its factorization.

1552514043451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18258.

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 1552514043451 in words is "one trillion, five hundred fifty-two billion, five hundred fourteen million, forty-three thousand, four hundred fifty-one".