11621130354077 has 16 divisors (see below), whose sum is σ = 12384004573872. Its totient is φ = 10867075015680.

The previous prime is 11621130354073. The next prime is 11621130354107. The reversal of 11621130354077 is 77045303112611.

11621130354077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1760594611876 + 9860535742201 = 1326874^2 + 3140149^2 .

It is a cyclic number.

It is not a de Polignac number, because 11621130354077 - 2² = 11621130354073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621130354073) 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, 38124323 + ... + 38427935.

It is an arithmetic number, because the mean of its divisors is an integer number (774000285867).

Almost surely, 2^{11621130354077} is an apocalyptic number.

11621130354077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11621130354077 is a deficient number, since it is larger than the sum of its proper divisors (762874219795).

11621130354077 is a wasteful number, since it uses less digits than its factorization.

11621130354077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318128.

The product of its (nonzero) digits is 105840, while the sum is 41.

Adding to 11621130354077 its reverse (77045303112611), we get a palindrome (88666433466688).

The spelling of 11621130354077 in words is "eleven trillion, six hundred twenty-one billion, one hundred thirty million, three hundred fifty-four thousand, seventy-seven".