1056465154103 has 4 divisors (see below), whose sum is σ = 1082232596928. Its totient is φ = 1030697711280.

The previous prime is 1056465154081. The next prime is 1056465154109. The reversal of 1056465154103 is 3014515646501.

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

It is a cyclic number.

It is not a de Polignac number, because 1056465154103 - 2⁶ = 1056465154039 is a prime.

It is a super-2 number, since 2×1056465154103² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 25767442783 = 1056465154103 / (1 + 0 + 5 + 6 + 4 + 6 + 5 + 1 + 5 + 4 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056465154109) 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, 12883721351 + ... + 12883721432.

It is an arithmetic number, because the mean of its divisors is an integer number (270558149232).

Almost surely, 2^{1056465154103} is an apocalyptic number.

1056465154103 is a deficient number, since it is larger than the sum of its proper divisors (25767442825).

1056465154103 is an equidigital number, since it uses as much as digits as its factorization.

1056465154103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25767442824.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 1056465154103 in words is "one trillion, fifty-six billion, four hundred sixty-five million, one hundred fifty-four thousand, one hundred three".