11125641810 has 32 divisors (see below), whose sum is σ = 27205346880. Its totient is φ = 2910859328.

The previous prime is 11125641803. The next prime is 11125641817. The reversal of 11125641810 is 1814652111.

It is an interprime number because it is at equal distance from previous prime (11125641803) and next prime (11125641817).

It is a super-2 number, since 2×11125641810² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (11125641817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3497040 + ... + 3500219.

It is an arithmetic number, because the mean of its divisors is an integer number (850167090).

Almost surely, 2^11125641810 is an apocalyptic number.

11125641810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11125641810 is an abundant number, since it is smaller than the sum of its proper divisors (16079705070).

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

11125641810 is a wasteful number, since it uses less digits than its factorization.

11125641810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997322.

The product of its (nonzero) digits is 1920, while the sum is 30.

The spelling of 11125641810 in words is "eleven billion, one hundred twenty-five million, six hundred forty-one thousand, eight hundred ten".