11146045531 has 2 divisors, whose sum is σ = 11146045532. Its totient is φ = 11146045530.

The previous prime is 11146045517. The next prime is 11146045549. The reversal of 11146045531 is 13554064111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11146045531 - 2²³ = 11137656923 is a prime.

It is a super-2 number, since 2×11146045531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11146045493 and 11146045502.

It is not a weakly prime, because it can be changed into another prime (11146045511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5573022765 + 5573022766.

It is an arithmetic number, because the mean of its divisors is an integer number (5573022766).

Almost surely, 2^11146045531 is an apocalyptic number.

11146045531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11146045531 is an equidigital number, since it uses as much as digits as its factorization.

11146045531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 11146045531 in words is "eleven billion, one hundred forty-six million, forty-five thousand, five hundred thirty-one".