1020097392551 has 4 divisors (see below), whose sum is σ = 1020101103072. Its totient is φ = 1020093682032.

The previous prime is 1020097392547. The next prime is 1020097392577. The reversal of 1020097392551 is 1552937900201.

It is a happy number.

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 1020097392551 - 2² = 1020097392547 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 (1020097322551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406735 + ... + 2004768.

It is an arithmetic number, because the mean of its divisors is an integer number (255025275768).

Almost surely, 2^{1020097392551} is an apocalyptic number.

1020097392551 is a deficient number, since it is larger than the sum of its proper divisors (3710521).

1020097392551 is an equidigital number, since it uses as much as digits as its factorization.

1020097392551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710520.

The product of its (nonzero) digits is 170100, while the sum is 44.

The spelling of 1020097392551 in words is "one trillion, twenty billion, ninety-seven million, three hundred ninety-two thousand, five hundred fifty-one".