1051661031144 has 32 divisors (see below), whose sum is σ = 2700210757920. Its totient is φ = 341079253056.

The previous prime is 1051661031143. The next prime is 1051661031151. The reversal of 1051661031144 is 4411301661501.

It is a super-2 number, since 2×1051661031144² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051661031143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592150594 + ... + 592152369.

It is an arithmetic number, because the mean of its divisors is an integer number (84381586185).

Almost surely, 2^{1051661031144} is an apocalyptic number.

It is an amenable number.

1051661031144 is an abundant number, since it is smaller than the sum of its proper divisors (1648549726776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051661031144 is a wasteful number, since it uses less digits than its factorization.

1051661031144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184303009 (or 1184303005 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

Adding to 1051661031144 its reverse (4411301661501), we get a palindrome (5462962692645).

The spelling of 1051661031144 in words is "one trillion, fifty-one billion, six hundred sixty-one million, thirty-one thousand, one hundred forty-four".