11615461140 has 96 divisors (see below), whose sum is σ = 36248929920. Its totient is φ = 2761814016.

The previous prime is 11615461139. The next prime is 11615461177. The reversal of 11615461140 is 4116451611.

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

It is a junction number, because it is equal to n+sod(n) for n = 11615461098 and 11615461107.

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, 280297 + ... + 319056.

It is an arithmetic number, because the mean of its divisors is an integer number (377593020).

Almost surely, 2^11615461140 is an apocalyptic number.

11615461140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11615461140 is an abundant number, since it is smaller than the sum of its proper divisors (24633468780).

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

11615461140 is a wasteful number, since it uses less digits than its factorization.

11615461140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599401 (or 599399 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The spelling of 11615461140 in words is "eleven billion, six hundred fifteen million, four hundred sixty-one thousand, one hundred forty".