1551112241555 has 8 divisors (see below), whose sum is σ = 1864893650352. Its totient is φ = 1238517152928.

The previous prime is 1551112241507. The next prime is 1551112241557. The reversal of 1551112241555 is 5551422111551.

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

It is a cyclic number.

It is not a de Polignac number, because 1551112241555 - 2¹⁴ = 1551112225171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1551112241557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296577164 + ... + 296582393.

It is an arithmetic number, because the mean of its divisors is an integer number (233111706294).

Almost surely, 2^{1551112241555} is an apocalyptic number.

1551112241555 is a deficient number, since it is larger than the sum of its proper divisors (313781408797).

1551112241555 is an equidigital number, since it uses as much as digits as its factorization.

1551112241555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593160085.

The product of its digits is 50000, while the sum is 38.

The spelling of 1551112241555 in words is "one trillion, five hundred fifty-one billion, one hundred twelve million, two hundred forty-one thousand, five hundred fifty-five".