11012550031 has 12 divisors (see below), whose sum is σ = 12816792000. Its totient is φ = 9434705280.

The previous prime is 11012550011. The next prime is 11012550077. The reversal of 11012550031 is 13005521011.

It is not a de Polignac number, because 11012550031 - 2¹⁷ = 11012418959 is a prime.

It is a super-2 number, since 2×11012550031² (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 = 11012549990 and 11012550008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012550011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47970 + ... + 155968.

It is an arithmetic number, because the mean of its divisors is an integer number (1068066000).

Almost surely, 2^11012550031 is an apocalyptic number.

11012550031 is a deficient number, since it is larger than the sum of its proper divisors (1804241969).

11012550031 is a wasteful number, since it uses less digits than its factorization.

11012550031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110094 (or 110087 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The spelling of 11012550031 in words is "eleven billion, twelve million, five hundred fifty thousand, thirty-one".