1011255151450 has 12 divisors (see below), whose sum is σ = 1880934581790. Its totient is φ = 404502060560.

The previous prime is 1011255151399. The next prime is 1011255151451. The reversal of 1011255151450 is 541515521101.

1011255151450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 868145018049 + 143110133401 = 931743^2 + 378299^2 .

It is not an unprimeable number, because it can be changed into a prime (1011255151451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10112551465 + ... + 10112551564.

Almost surely, 2^{1011255151450} is an apocalyptic number.

1011255151450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011255151450 is a deficient number, since it is larger than the sum of its proper divisors (869679430340).

1011255151450 is a wasteful number, since it uses less digits than its factorization.

1011255151450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20225103041 (or 20225103036 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 31.

The spelling of 1011255151450 in words is "one trillion, eleven billion, two hundred fifty-five million, one hundred fifty-one thousand, four hundred fifty".