1552013321255 has 16 divisors (see below), whose sum is σ = 1968248419200. Its totient is φ = 1171576404000.

The previous prime is 1552013321251. The next prime is 1552013321303. The reversal of 1552013321255 is 5521233102551.

It is a happy number.

It is not a de Polignac number, because 1552013321255 - 2² = 1552013321251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552013321251) 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, 32519945 + ... + 32567634.

It is an arithmetic number, because the mean of its divisors is an integer number (123015526200).

Almost surely, 2^{1552013321255} is an apocalyptic number.

1552013321255 is a deficient number, since it is larger than the sum of its proper divisors (416235097945).

1552013321255 is a wasteful number, since it uses less digits than its factorization.

1552013321255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65087854.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 1552013321255 in words is "one trillion, five hundred fifty-two billion, thirteen million, three hundred twenty-one thousand, two hundred fifty-five".