1217035372153 has 16 divisors (see below), whose sum is σ = 1298646276480. Its totient is φ = 1136562255616.

The previous prime is 1217035372141. The next prime is 1217035372169. The reversal of 1217035372153 is 3512735307121.

It is a cyclic number.

It is not a de Polignac number, because 1217035372153 - 2⁵ = 1217035372121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1217035372103) 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, 1217643 + ... + 1979071.

It is an arithmetic number, because the mean of its divisors is an integer number (81165392280).

Almost surely, 2^{1217035372153} is an apocalyptic number.

It is an amenable number.

1217035372153 is a deficient number, since it is larger than the sum of its proper divisors (81610904327).

1217035372153 is a wasteful number, since it uses less digits than its factorization.

1217035372153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762176.

The product of its (nonzero) digits is 132300, while the sum is 40.

The spelling of 1217035372153 in words is "one trillion, two hundred seventeen billion, thirty-five million, three hundred seventy-two thousand, one hundred fifty-three".