1202454651855 has 16 divisors (see below), whose sum is σ = 1939076481024. Its totient is φ = 636259468320.

The previous prime is 1202454651829. The next prime is 1202454651859. The reversal of 1202454651855 is 5581564542021.

It is not a de Polignac number, because 1202454651855 - 2⁶ = 1202454651791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202454651859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315602991 + ... + 315606800.

It is an arithmetic number, because the mean of its divisors is an integer number (121192280064).

Almost surely, 2^{1202454651855} is an apocalyptic number.

1202454651855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1202454651855 is a deficient number, since it is larger than the sum of its proper divisors (736621829169).

1202454651855 is a wasteful number, since it uses less digits than its factorization.

1202454651855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631209926.

The product of its (nonzero) digits is 1920000, while the sum is 48.

The spelling of 1202454651855 in words is "one trillion, two hundred two billion, four hundred fifty-four million, six hundred fifty-one thousand, eight hundred fifty-five".