1245164659155 has 12 divisors (see below), whose sum is σ = 2158285409280. Its totient is φ = 664087818192.

The previous prime is 1245164659091. The next prime is 1245164659187. The reversal of 1245164659155 is 5519564615421.

1245164659155 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 1 + 6 + 46 + 591 + 5 + 5 = 666.

It is not a de Polignac number, because 1245164659155 - 2⁶ = 1245164659091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13835162835 + ... + 13835162924.

It is an arithmetic number, because the mean of its divisors is an integer number (179857117440).

Almost surely, 2^{1245164659155} is an apocalyptic number.

1245164659155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1245164659155 is a deficient number, since it is larger than the sum of its proper divisors (913120750125).

1245164659155 is a wasteful number, since it uses less digits than its factorization.

1245164659155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27670325770 (or 27670325767 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 54.

The spelling of 1245164659155 in words is "one trillion, two hundred forty-five billion, one hundred sixty-four million, six hundred fifty-nine thousand, one hundred fifty-five".