151211021016 has 64 divisors (see below), whose sum is σ = 412615221120. Its totient is φ = 45796907520.

The previous prime is 151211021011. The next prime is 151211021033. The reversal of 151211021016 is 610120112151.

It is a junction number, because it is equal to n+sod(n) for n = 151211020983 and 151211021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151211021011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341571 + ... + 647373.

It is an arithmetic number, because the mean of its divisors is an integer number (6447112830).

Almost surely, 2^151211021016 is an apocalyptic number.

It is an amenable number.

151211021016 is an abundant number, since it is smaller than the sum of its proper divisors (261404200104).

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

151211021016 is a wasteful number, since it uses less digits than its factorization.

151211021016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307696 (or 307692 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 21.

Adding to 151211021016 its reverse (610120112151), we get a palindrome (761331133167).

The spelling of 151211021016 in words is "one hundred fifty-one billion, two hundred eleven million, twenty-one thousand, sixteen".