1111653125 has 48 divisors (see below), whose sum is σ = 1540026432. Its totient is φ = 795600000.

The previous prime is 1111653119. The next prime is 1111653139. The reversal of 1111653125 is 5213561111.

It is not a de Polignac number, because 1111653125 - 2¹⁴ = 1111636741 is a prime.

It is a super-3 number, since 3×1111653125³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111653094 and 1111653103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2509154 + ... + 2509596.

It is an arithmetic number, because the mean of its divisors is an integer number (32083884).

Almost surely, 2^1111653125 is an apocalyptic number.

It is an amenable number.

1111653125 is a deficient number, since it is larger than the sum of its proper divisors (428373307).

1111653125 is an frugal number, since it uses more digits than its factorization.

1111653125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 532 counting only the distinct ones).

The product of its digits is 900, while the sum is 26.

The square root of 1111653125 is about 33341.4625504041. The cubic root of 1111653125 is about 1035.9125575909.

The spelling of 1111653125 in words is "one billion, one hundred eleven million, six hundred fifty-three thousand, one hundred twenty-five".