1054040412551 has 4 divisors (see below), whose sum is σ = 1204617614352. Its totient is φ = 903463210752.

The previous prime is 1054040412517. The next prime is 1054040412569. The reversal of 1054040412551 is 1552140404501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1054040412551 is a prime.

It is a super-2 number, since 2×1054040412551² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054040412571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75288600890 + ... + 75288600903.

It is an arithmetic number, because the mean of its divisors is an integer number (301154403588).

Almost surely, 2^{1054040412551} is an apocalyptic number.

1054040412551 is a deficient number, since it is larger than the sum of its proper divisors (150577201801).

1054040412551 is an equidigital number, since it uses as much as digits as its factorization.

1054040412551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150577201800.

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 1054040412551 in words is "one trillion, fifty-four billion, forty million, four hundred twelve thousand, five hundred fifty-one".