151201621015502 has 4 divisors (see below), whose sum is σ = 226802431523256. Its totient is φ = 75600810507750.

The previous prime is 151201621015483. The next prime is 151201621015517. The reversal of 151201621015502 is 205510126102151.

151201621015502 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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, 37800405253874 + ... + 37800405253877.

It is an arithmetic number, because the mean of its divisors is an integer number (56700607880814).

Almost surely, 2^{151201621015502} is an apocalyptic number.

151201621015502 is a deficient number, since it is larger than the sum of its proper divisors (75600810507754).

151201621015502 is an equidigital number, since it uses as much as digits as its factorization.

151201621015502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75600810507753.

The product of its (nonzero) digits is 6000, while the sum is 32.

Adding to 151201621015502 its reverse (205510126102151), we get a palindrome (356711747117653).

The spelling of 151201621015502 in words is "one hundred fifty-one trillion, two hundred one billion, six hundred twenty-one million, fifteen thousand, five hundred two".