11020534131 has 16 divisors (see below), whose sum is σ = 15315322880. Its totient is φ = 7040986560.

The previous prime is 11020534079. The next prime is 11020534153. The reversal of 11020534131 is 13143502011.

It is not a de Polignac number, because 11020534131 - 2⁹ = 11020533619 is a prime.

It is a super-2 number, since 2×11020534131² (a number of 21 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 = 11020534098 and 11020534107.

It is not an unprimeable number, because it can be changed into a prime (11020534331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565666 + ... + 584823.

It is an arithmetic number, because the mean of its divisors is an integer number (957207680).

Almost surely, 2^11020534131 is an apocalyptic number.

11020534131 is a deficient number, since it is larger than the sum of its proper divisors (4294788749).

11020534131 is a wasteful number, since it uses less digits than its factorization.

11020534131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150626.

The product of its (nonzero) digits is 360, while the sum is 21.

The spelling of 11020534131 in words is "eleven billion, twenty million, five hundred thirty-four thousand, one hundred thirty-one".