11400526620261 has 6 divisors (see below), whose sum is σ = 16467427340390. Its totient is φ = 7600351080168.

The previous prime is 11400526620251. The next prime is 11400526620289. The reversal of 11400526620261 is 16202662500411.

11400526620261 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 0 + 5 + 2 + 6 + 620 + 26 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9048846096900 + 2351680523361 = 3008130^2 + 1533519^2 .

It is not a de Polignac number, because 11400526620261 - 2¹¹ = 11400526618213 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 (11400526620251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 633362590006 + ... + 633362590023.

Almost surely, 2^{11400526620261} is an apocalyptic number.

It is an amenable number.

11400526620261 is a deficient number, since it is larger than the sum of its proper divisors (5066900720129).

11400526620261 is a wasteful number, since it uses less digits than its factorization.

11400526620261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266725180035 (or 1266725180032 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 11400526620261 in words is "eleven trillion, four hundred billion, five hundred twenty-six million, six hundred twenty thousand, two hundred sixty-one".