151220431432563 has 8 divisors (see below), whose sum is σ = 201642366653376. Its totient is φ = 100806058583400.

The previous prime is 151220431432339. The next prime is 151220431432583. The reversal of 151220431432563 is 365234134022151.

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

It is not a de Polignac number, because 151220431432563 - 2¹² = 151220431428467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151220431432583) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1890546253 + ... + 1890626238.

It is an arithmetic number, because the mean of its divisors is an integer number (25205295831672).

Almost surely, 2^{151220431432563} is an apocalyptic number.

151220431432563 is a deficient number, since it is larger than the sum of its proper divisors (50421935220813).

151220431432563 is a wasteful number, since it uses less digits than its factorization.

151220431432563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781185825.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 151220431432563 in words is "one hundred fifty-one trillion, two hundred twenty billion, four hundred thirty-one million, four hundred thirty-two thousand, five hundred sixty-three".