1553015513223 has 12 divisors (see below), whose sum is σ = 2375200196928. Its totient is φ = 974441106240.

The previous prime is 1553015513219. The next prime is 1553015513279. The reversal of 1553015513223 is 3223155103551.

1553015513223 is a `hidden beast` number, since 1 + 5 + 53 + 0 + 1 + 551 + 32 + 23 = 666.

It is not a de Polignac number, because 1553015513223 - 2² = 1553015513219 is a prime.

It is a super-2 number, since 2×1553015513223² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553015517223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5075213943 + ... + 5075214248.

It is an arithmetic number, because the mean of its divisors is an integer number (197933349744).

Almost surely, 2^{1553015513223} is an apocalyptic number.

1553015513223 is a deficient number, since it is larger than the sum of its proper divisors (822184683705).

1553015513223 is a wasteful number, since it uses less digits than its factorization.

1553015513223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150428214 (or 10150428211 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The spelling of 1553015513223 in words is "one trillion, five hundred fifty-three billion, fifteen million, five hundred thirteen thousand, two hundred twenty-three".