151012225450020 has 48 divisors (see below), whose sum is σ = 461273706831168. Its totient is φ = 36609024351360.

The previous prime is 151012225449979. The next prime is 151012225450033. The reversal of 151012225450020 is 20054522210151.

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

It is a self number, because there is not a number n which added to its sum of digits gives 151012225450020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114403200439 + ... + 114403201758.

It is an arithmetic number, because the mean of its divisors is an integer number (9609868892316).

Almost surely, 2^{151012225450020} is an apocalyptic number.

151012225450020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151012225450020 is an abundant number, since it is smaller than the sum of its proper divisors (310261481381148).

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

151012225450020 is a wasteful number, since it uses less digits than its factorization.

151012225450020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228806402220 (or 228806402218 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 151012225450020 its reverse (20054522210151), we get a palindrome (171066747660171).

The spelling of 151012225450020 in words is "one hundred fifty-one trillion, twelve billion, two hundred twenty-five million, four hundred fifty thousand, twenty".