153405515061212 has 6 divisors (see below), whose sum is σ = 268459651357128. Its totient is φ = 76702757530604.

The previous prime is 153405515061179. The next prime is 153405515061223. The reversal of 153405515061212 is 212160515504351.

153405515061212 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 153405515061212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19175689382648 + ... + 19175689382655.

It is an arithmetic number, because the mean of its divisors is an integer number (44743275226188).

Almost surely, 2^{153405515061212} is an apocalyptic number.

It is an amenable number.

153405515061212 is a deficient number, since it is larger than the sum of its proper divisors (115054136295916).

153405515061212 is a wasteful number, since it uses less digits than its factorization.

153405515061212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38351378765307 (or 38351378765305 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 153405515061212 in words is "one hundred fifty-three trillion, four hundred five billion, five hundred fifteen million, sixty-one thousand, two hundred twelve".