11272377461 has 2 divisors, whose sum is σ = 11272377462. Its totient is φ = 11272377460.

The previous prime is 11272377433. The next prime is 11272377521. The reversal of 11272377461 is 16477327211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10625692561 + 646684900 = 103081^2 + 25430^2 .

It is a cyclic number.

It is not a de Polignac number, because 11272377461 - 2¹⁴ = 11272361077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11272377421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5636188730 + 5636188731.

It is an arithmetic number, because the mean of its divisors is an integer number (5636188731).

Almost surely, 2^11272377461 is an apocalyptic number.

It is an amenable number.

11272377461 is a deficient number, since it is larger than the sum of its proper divisors (1).

11272377461 is an equidigital number, since it uses as much as digits as its factorization.

11272377461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 41.

The spelling of 11272377461 in words is "eleven billion, two hundred seventy-two million, three hundred seventy-seven thousand, four hundred sixty-one".