1023545335155 has 32 divisors (see below), whose sum is σ = 1906939459584. Its totient is φ = 459078013056.

The previous prime is 1023545335097. The next prime is 1023545335171. The reversal of 1023545335155 is 5515335453201.

It is not a de Polignac number, because 1023545335155 - 2⁷ = 1023545335027 is a prime.

It is a super-2 number, since 2×1023545335155² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91957179 + ... + 91968308.

It is an arithmetic number, because the mean of its divisors is an integer number (59591858112).

Almost surely, 2^{1023545335155} is an apocalyptic number.

1023545335155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1023545335155 is a deficient number, since it is larger than the sum of its proper divisors (883394124429).

1023545335155 is a wasteful number, since it uses less digits than its factorization.

1023545335155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183925555.

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 1023545335155 in words is "one trillion, twenty-three billion, five hundred forty-five million, three hundred thirty-five thousand, one hundred fifty-five".