1553023253255 has 8 divisors (see below), whose sum is σ = 1973253074832. Its totient is φ = 1169335155328.

The previous prime is 1553023253251. The next prime is 1553023253261. The reversal of 1553023253255 is 5523523203551.

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 1553023253255 - 2² = 1553023253251 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 (1553023253251) 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, 9135430817 + ... + 9135430986.

It is an arithmetic number, because the mean of its divisors is an integer number (246656634354).

Almost surely, 2^{1553023253255} is an apocalyptic number.

1553023253255 is a deficient number, since it is larger than the sum of its proper divisors (420229821577).

1553023253255 is a wasteful number, since it uses less digits than its factorization.

1553023253255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18270861825.

The product of its (nonzero) digits is 675000, while the sum is 41.

The spelling of 1553023253255 in words is "one trillion, five hundred fifty-three billion, twenty-three million, two hundred fifty-three thousand, two hundred fifty-five".