1125105562605 has 32 divisors (see below), whose sum is σ = 1805755576320. Its totient is φ = 598195619840.

The previous prime is 1125105562571. The next prime is 1125105562709. The reversal of 1125105562605 is 5062655015211.

It is not a de Polignac number, because 1125105562605 - 2¹² = 1125105558509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11908291 + ... + 12002399.

It is an arithmetic number, because the mean of its divisors is an integer number (56429861760).

Almost surely, 2^{1125105562605} is an apocalyptic number.

1125105562605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1125105562605 is a deficient number, since it is larger than the sum of its proper divisors (680650013715).

1125105562605 is a wasteful number, since it uses less digits than its factorization.

1125105562605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96581.

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 1125105562605 in words is "one trillion, one hundred twenty-five billion, one hundred five million, five hundred sixty-two thousand, six hundred five".