151201621015500 has 96 divisors (see below), whose sum is σ = 480326313212928. Its totient is φ = 36654938424000.

The previous prime is 151201621015483. The next prime is 151201621015517. The reversal of 151201621015500 is 5510126102151.

It is an interprime number because it is at equal distance from previous prime (151201621015483) and next prime (151201621015517).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4581850804 + ... + 4581883803.

It is an arithmetic number, because the mean of its divisors is an integer number (5003399095968).

Almost surely, 2^{151201621015500} is an apocalyptic number.

151201621015500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151201621015500 is an abundant number, since it is smaller than the sum of its proper divisors (329124692197428).

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

151201621015500 is a wasteful number, since it uses less digits than its factorization.

151201621015500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9163734640 (or 9163734628 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 30.

Adding to 151201621015500 its reverse (5510126102151), we get a palindrome (156711747117651).

The spelling of 151201621015500 in words is "one hundred fifty-one trillion, two hundred one billion, six hundred twenty-one million, fifteen thousand, five hundred".