11621200110261 has 12 divisors (see below), whose sum is σ = 18024718538592. Its totient is φ = 6640685777208.

The previous prime is 11621200110227. The next prime is 11621200110287. The reversal of 11621200110261 is 16201100212611.

It is not a de Polignac number, because 11621200110261 - 2⁷ = 11621200110133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621200110361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39527891385 + ... + 39527891678.

It is an arithmetic number, because the mean of its divisors is an integer number (1502059878216).

Almost surely, 2^{11621200110261} is an apocalyptic number.

It is an amenable number.

11621200110261 is a deficient number, since it is larger than the sum of its proper divisors (6403518428331).

11621200110261 is an equidigital number, since it uses as much as digits as its factorization.

11621200110261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79055783080 (or 79055783073 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

Adding to 11621200110261 its reverse (16201100212611), we get a palindrome (27822300322872).

The spelling of 11621200110261 in words is "eleven trillion, six hundred twenty-one billion, two hundred million, one hundred ten thousand, two hundred sixty-one".