15542450451330 has 96 divisors (see below), whose sum is σ = 41262397106112. Its totient is φ = 3743867487360.

The previous prime is 15542450451287. The next prime is 15542450451337. The reversal of 15542450451330 is 3315405424551.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15542450451337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13065972 + ... + 14205791.

It is an arithmetic number, because the mean of its divisors is an integer number (429816636522).

Almost surely, 2^{15542450451330} is an apocalyptic number.

15542450451330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15542450451330 is an abundant number, since it is smaller than the sum of its proper divisors (25719946654782).

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

15542450451330 is a wasteful number, since it uses less digits than its factorization.

15542450451330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27271952 (or 27271941 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 15542450451330 its reverse (3315405424551), we get a palindrome (18857855875881).

The spelling of 15542450451330 in words is "fifteen trillion, five hundred forty-two billion, four hundred fifty million, four hundred fifty-one thousand, three hundred thirty".