1021354314455 has 8 divisors (see below), whose sum is σ = 1237760080704. Its totient is φ = 808993516000.

The previous prime is 1021354314443. The next prime is 1021354314523. The reversal of 1021354314455 is 5544134531201.

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

It is a de Polignac number, because none of the positive numbers 2^k-1021354314455 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011241391 + ... + 1011242400.

It is an arithmetic number, because the mean of its divisors is an integer number (154720010088).

Almost surely, 2^{1021354314455} is an apocalyptic number.

1021354314455 is a deficient number, since it is larger than the sum of its proper divisors (216405766249).

1021354314455 is a wasteful number, since it uses less digits than its factorization.

1021354314455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022483897.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 1021354314455 its reverse (5544134531201), we get a palindrome (6565488845656).

The spelling of 1021354314455 in words is "one trillion, twenty-one billion, three hundred fifty-four million, three hundred fourteen thousand, four hundred fifty-five".