1552919261903 has 4 divisors (see below), whose sum is σ = 1552927986120. Its totient is φ = 1552910537688.

The previous prime is 1552919261897. The next prime is 1552919261923. The reversal of 1552919261903 is 3091629192551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1552919261903 - 2¹² = 1552919257807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552919261923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4089425 + ... + 4453002.

It is an arithmetic number, because the mean of its divisors is an integer number (388231996530).

Almost surely, 2^{1552919261903} is an apocalyptic number.

1552919261903 is a deficient number, since it is larger than the sum of its proper divisors (8724217).

1552919261903 is an equidigital number, since it uses as much as digits as its factorization.

1552919261903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8724216.

The product of its (nonzero) digits is 1312200, while the sum is 53.

The spelling of 1552919261903 in words is "one trillion, five hundred fifty-two billion, nine hundred nineteen million, two hundred sixty-one thousand, nine hundred three".