152121200072155 has 8 divisors (see below), whose sum is σ = 182545507770912. Its totient is φ = 121696914934848.

The previous prime is 152121200072143. The next prime is 152121200072197. The reversal of 152121200072155 is 551270002121251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152121200072155 - 2²¹ = 152121197975003 is a prime.

It is a super-2 number, since 2×152121200072155² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152121200072155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18898567 + ... + 25717663.

It is an arithmetic number, because the mean of its divisors is an integer number (22818188471364).

Almost surely, 2^{152121200072155} is an apocalyptic number.

152121200072155 is a deficient number, since it is larger than the sum of its proper divisors (30424307698757).

152121200072155 is an equidigital number, since it uses as much as digits as its factorization.

152121200072155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11280725.

The product of its (nonzero) digits is 14000, while the sum is 34.

The spelling of 152121200072155 in words is "one hundred fifty-two trillion, one hundred twenty-one billion, two hundred million, seventy-two thousand, one hundred fifty-five".