90260113531 has 16 divisors (see below), whose sum is σ = 110449552320. Its totient is φ = 71996728320.

The previous prime is 90260113513. The next prime is 90260113553. The reversal of 90260113531 is 13531106209.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 90260113531 - 2⁷ = 90260113403 is a prime.

It is a super-2 number, since 2×90260113531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90260113493 and 90260113502.

It is not an unprimeable number, because it can be changed into a prime (90260113331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4250580 + ... + 4271761.

It is an arithmetic number, because the mean of its divisors is an integer number (6903097020).

Almost surely, 2^90260113531 is an apocalyptic number.

90260113531 is a deficient number, since it is larger than the sum of its proper divisors (20189438789).

90260113531 is a wasteful number, since it uses less digits than its factorization.

90260113531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8522454.

The product of its (nonzero) digits is 4860, while the sum is 31.

The spelling of 90260113531 in words is "ninety billion, two hundred sixty million, one hundred thirteen thousand, five hundred thirty-one".