1011456403545 has 32 divisors (see below), whose sum is σ = 1946863457280. Its totient is φ = 438044276160.

The previous prime is 1011456403541. The next prime is 1011456403553. The reversal of 1011456403545 is 5453046541101.

It is not a de Polignac number, because 1011456403545 - 2² = 1011456403541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011456403541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253495851 + ... + 253499840.

It is an arithmetic number, because the mean of its divisors is an integer number (60839483040).

Almost surely, 2^{1011456403545} is an apocalyptic number.

1011456403545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011456403545 is a deficient number, since it is larger than the sum of its proper divisors (935407053735).

1011456403545 is a wasteful number, since it uses less digits than its factorization.

1011456403545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506995725.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 1011456403545 in words is "one trillion, eleven billion, four hundred fifty-six million, four hundred three thousand, five hundred forty-five".