151133121502 has 12 divisors (see below), whose sum is σ = 249182295768. Its totient is φ = 68696873300.

The previous prime is 151133121481. The next prime is 151133121547. The reversal of 151133121502 is 205121331151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 312258274 + ... + 312258757.

It is an arithmetic number, because the mean of its divisors is an integer number (20765191314).

Almost surely, 2^151133121502 is an apocalyptic number.

151133121502 is a deficient number, since it is larger than the sum of its proper divisors (98049174266).

151133121502 is a wasteful number, since it uses less digits than its factorization.

151133121502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624517055 (or 624517044 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 151133121502 its reverse (205121331151), we get a palindrome (356254452653).

The spelling of 151133121502 in words is "one hundred fifty-one billion, one hundred thirty-three million, one hundred twenty-one thousand, five hundred two".