11661032302420 has 48 divisors (see below), whose sum is σ = 24799391236368. Its totient is φ = 4605360721920.

The previous prime is 11661032302307. The next prime is 11661032302453. The reversal of 11661032302420 is 2420323016611.

It can be written as a sum of positive squares in 8 ways, for example, as 1780207051536 + 9880825250884 = 1334244^2 + 3143378^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6322027 + ... + 7955506.

It is an arithmetic number, because the mean of its divisors is an integer number (516653984091).

Almost surely, 2^{11661032302420} is an apocalyptic number.

11661032302420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11661032302420 is an abundant number, since it is smaller than the sum of its proper divisors (13138358933948).

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

11661032302420 is a wasteful number, since it uses less digits than its factorization.

11661032302420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14278060 (or 14278058 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 11661032302420 in words is "eleven trillion, six hundred sixty-one billion, thirty-two million, three hundred two thousand, four hundred twenty".