1043112445551 has 24 divisors (see below), whose sum is σ = 1730202464640. Its totient is φ = 598916235600.

The previous prime is 1043112445499. The next prime is 1043112445567. The reversal of 1043112445551 is 1555442113401.

1043112445551 is a `hidden beast` number, since 1 + 0 + 4 + 31 + 124 + 455 + 51 = 666.

It is not a de Polignac number, because 1043112445551 - 2¹⁴ = 1043112429167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043112445451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277274155 + ... + 277277916.

It is an arithmetic number, because the mean of its divisors is an integer number (72091769360).

Almost surely, 2^{1043112445551} is an apocalyptic number.

1043112445551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1043112445551 is a deficient number, since it is larger than the sum of its proper divisors (687090019089).

1043112445551 is a wasteful number, since it uses less digits than its factorization.

1043112445551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554552107 (or 554552104 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 1043112445551 its reverse (1555442113401), we get a palindrome (2598554558952).

The spelling of 1043112445551 in words is "one trillion, forty-three billion, one hundred twelve million, four hundred forty-five thousand, five hundred fifty-one".