153911142921 has 8 divisors (see below), whose sum is σ = 205324079680. Its totient is φ = 102552817392.

The previous prime is 153911142899. The next prime is 153911142947. The reversal of 153911142921 is 129241119351.

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

It is not a de Polignac number, because 153911142921 - 2¹⁵ = 153911110153 is a prime.

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 153911142921.

It is not an unprimeable number, because it can be changed into a prime (153911142221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13646230 + ... + 13657503.

It is an arithmetic number, because the mean of its divisors is an integer number (25665509960).

Almost surely, 2^153911142921 is an apocalyptic number.

It is an amenable number.

153911142921 is a deficient number, since it is larger than the sum of its proper divisors (51412936759).

153911142921 is a wasteful number, since it uses less digits than its factorization.

153911142921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27305615.

The product of its digits is 19440, while the sum is 39.

The spelling of 153911142921 in words is "one hundred fifty-three billion, nine hundred eleven million, one hundred forty-two thousand, nine hundred twenty-one".