151216764542 has 4 divisors (see below), whose sum is σ = 226825146816. Its totient is φ = 75608382270.

The previous prime is 151216764527. The next prime is 151216764547. The reversal of 151216764542 is 245467612151.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 151216764493 and 151216764502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151216764547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37804191134 + ... + 37804191137.

It is an arithmetic number, because the mean of its divisors is an integer number (56706286704).

Almost surely, 2^151216764542 is an apocalyptic number.

151216764542 is a deficient number, since it is larger than the sum of its proper divisors (75608382274).

151216764542 is an equidigital number, since it uses as much as digits as its factorization.

151216764542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75608382273.

The product of its digits is 403200, while the sum is 44.

The spelling of 151216764542 in words is "one hundred fifty-one billion, two hundred sixteen million, seven hundred sixty-four thousand, five hundred forty-two".