157432123506 has 32 divisors (see below), whose sum is σ = 372253299840. Its totient is φ = 43429550976.

The previous prime is 157432123469. The next prime is 157432123547. The reversal of 157432123506 is 605321234751.

157432123506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64626091 + ... + 64628526.

It is an arithmetic number, because the mean of its divisors is an integer number (11632915620).

Almost surely, 2^157432123506 is an apocalyptic number.

157432123506 is an abundant number, since it is smaller than the sum of its proper divisors (214821176334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157432123506 is a wasteful number, since it uses less digits than its factorization.

157432123506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129254658.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 157432123506 in words is "one hundred fifty-seven billion, four hundred thirty-two million, one hundred twenty-three thousand, five hundred six".