151551520000 has 90 divisors (see below), whose sum is σ = 378018197018. Its totient is φ = 60620544000.

The previous prime is 151551519997. The next prime is 151551520091. The reversal of 151551520000 is 25155151.

It can be written as a sum of positive squares in 5 ways, for example, as 17981737216 + 133569782784 = 134096^2 + 365472^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 313599 + ... + 633598.

Almost surely, 2^151551520000 is an apocalyptic number.

151551520000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151551520000 is an abundant number, since it is smaller than the sum of its proper divisors (226466677018).

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

151551520000 is an frugal number, since it uses more digits than its factorization.

151551520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947233 (or 947204 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 25.

Adding to 151551520000 its reverse (25155151), we get a palindrome (151576675151).

The spelling of 151551520000 in words is "one hundred fifty-one billion, five hundred fifty-one million, five hundred twenty thousand".