1552340421255 has 32 divisors (see below), whose sum is σ = 2675395376640. Its totient is φ = 764059582080.

The previous prime is 1552340421253. The next prime is 1552340421263. The reversal of 1552340421255 is 5521240432551.

It is not a de Polignac number, because 1552340421255 - 2¹ = 1552340421253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552340421251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400 + ... + 1762010.

It is an arithmetic number, because the mean of its divisors is an integer number (83606105520).

Almost surely, 2^{1552340421255} is an apocalyptic number.

1552340421255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1552340421255 is a deficient number, since it is larger than the sum of its proper divisors (1123054955385).

1552340421255 is a wasteful number, since it uses less digits than its factorization.

1552340421255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766151.

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 1552340421255 in words is "one trillion, five hundred fifty-two billion, three hundred forty million, four hundred twenty-one thousand, two hundred fifty-five".