1124725171555 has 4 divisors (see below), whose sum is σ = 1349670205872. Its totient is φ = 899780137240.

The previous prime is 1124725171541. The next prime is 1124725171679. The reversal of 1124725171555 is 5551715274211.

It is a happy number.

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

It is not a de Polignac number, because 1124725171555 - 2¹³ = 1124725163363 is a prime.

It is a super-3 number, since 3×1124725171555³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112472517151 + ... + 112472517160.

It is an arithmetic number, because the mean of its divisors is an integer number (337417551468).

Almost surely, 2^{1124725171555} is an apocalyptic number.

1124725171555 is a deficient number, since it is larger than the sum of its proper divisors (224945034317).

1124725171555 is an equidigital number, since it uses as much as digits as its factorization.

1124725171555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224945034316.

The product of its digits is 490000, while the sum is 46.

The spelling of 1124725171555 in words is "one trillion, one hundred twenty-four billion, seven hundred twenty-five million, one hundred seventy-one thousand, five hundred fifty-five".