11761535311043 has 32 divisors (see below), whose sum is σ = 13787189932032. Its totient is φ = 9823377060000.

The previous prime is 11761535311033. The next prime is 11761535311051. The reversal of 11761535311043 is 34011353516711.

It is not a de Polignac number, because 11761535311043 - 2¹⁴ = 11761535294659 is a prime.

It is a super-2 number, since 2×11761535311043² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11761535311033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354342578 + ... + 354375768.

It is an arithmetic number, because the mean of its divisors is an integer number (430849685376).

Almost surely, 2^{11761535311043} is an apocalyptic number.

11761535311043 is a deficient number, since it is larger than the sum of its proper divisors (2025654620989).

11761535311043 is a wasteful number, since it uses less digits than its factorization.

11761535311043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36015.

The product of its (nonzero) digits is 113400, while the sum is 41.

Adding to 11761535311043 its reverse (34011353516711), we get a palindrome (45772888827754).

The spelling of 11761535311043 in words is "eleven trillion, seven hundred sixty-one billion, five hundred thirty-five million, three hundred eleven thousand, forty-three".