1054040406261 has 8 divisors (see below), whose sum is σ = 1406565240960. Its totient is φ = 702104587872.

The previous prime is 1054040406257. The next prime is 1054040406301. The reversal of 1054040406261 is 1626040404501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1054040406261 - 2² = 1054040406257 is a prime.

It is a super-2 number, since 2×1054040406261² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054040406961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147249901 + ... + 147257058.

It is an arithmetic number, because the mean of its divisors is an integer number (175820655120).

Almost surely, 2^{1054040406261} is an apocalyptic number.

It is an amenable number.

1054040406261 is a deficient number, since it is larger than the sum of its proper divisors (352524834699).

1054040406261 is a wasteful number, since it uses less digits than its factorization.

1054040406261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294508155.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 1054040406261 in words is "one trillion, fifty-four billion, forty million, four hundred six thousand, two hundred sixty-one".