10993870125 has 128 divisors (see below), whose sum is σ = 23859962880. Its totient is φ = 4889548800.

The previous prime is 10993870057. The next prime is 10993870169. The reversal of 10993870125 is 52107839901.

It is not a de Polignac number, because 10993870125 - 2¹³ = 10993861933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 867837 + ... + 880413.

It is an arithmetic number, because the mean of its divisors is an integer number (186405960).

Almost surely, 2^10993870125 is an apocalyptic number.

10993870125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10993870125 is an abundant number, since it is smaller than the sum of its proper divisors (12866092755).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10993870125 is a wasteful number, since it uses less digits than its factorization.

10993870125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12645 (or 12629 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 10993870125 in words is "ten billion, nine hundred ninety-three million, eight hundred seventy thousand, one hundred twenty-five".