1020465654461 has 4 divisors (see below), whose sum is σ = 1113235259424. Its totient is φ = 927696049500.

The previous prime is 1020465654449. The next prime is 1020465654499. The reversal of 1020465654461 is 1644565640201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1020465654461 - 2¹⁴ = 1020465638077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020465654401) 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, 46384802465 + ... + 46384802486.

It is an arithmetic number, because the mean of its divisors is an integer number (278308814856).

Almost surely, 2^{1020465654461} is an apocalyptic number.

1020465654461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1020465654461 is a deficient number, since it is larger than the sum of its proper divisors (92769604963).

1020465654461 is an equidigital number, since it uses as much as digits as its factorization.

1020465654461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92769604962.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 1020465654461 in words is "one trillion, twenty billion, four hundred sixty-five million, six hundred fifty-four thousand, four hundred sixty-one".