1054156456356 has 12 divisors (see below), whose sum is σ = 2459698398192. Its totient is φ = 351385485448.

The previous prime is 1054156456303. The next prime is 1054156456417. The reversal of 1054156456356 is 6536546514501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1054156456356² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054156456299 and 1054156456308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43923185670 + ... + 43923185693.

It is an arithmetic number, because the mean of its divisors is an integer number (204974866516).

Almost surely, 2^{1054156456356} is an apocalyptic number.

It is an amenable number.

1054156456356 is an abundant number, since it is smaller than the sum of its proper divisors (1405541941836).

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

1054156456356 is a wasteful number, since it uses less digits than its factorization.

1054156456356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87846371370 (or 87846371368 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 51.

The spelling of 1054156456356 in words is "one trillion, fifty-four billion, one hundred fifty-six million, four hundred fifty-six thousand, three hundred fifty-six".