1010440550251 has 16 divisors (see below), whose sum is σ = 1156246990848. Its totient is φ = 874043684800.

The previous prime is 1010440550213. The next prime is 1010440550359. The reversal of 1010440550251 is 1520550440101.

It is not a de Polignac number, because 1010440550251 - 2³³ = 1001850615659 is a prime.

It is a super-3 number, since 3×1010440550251³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010440520251) 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, 10406746 + ... + 10503391.

It is an arithmetic number, because the mean of its divisors is an integer number (72265436928).

Almost surely, 2^{1010440550251} is an apocalyptic number.

1010440550251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1010440550251 is a deficient number, since it is larger than the sum of its proper divisors (145806440597).

1010440550251 is a wasteful number, since it uses less digits than its factorization.

1010440550251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20910362.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 1010440550251 its reverse (1520550440101), we get a palindrome (2530990990352).

The spelling of 1010440550251 in words is "one trillion, ten billion, four hundred forty million, five hundred fifty thousand, two hundred fifty-one".