15511452030 has 48 divisors (see below), whose sum is σ = 40552634304. Its totient is φ = 4113529920.

The previous prime is 15511452029. The next prime is 15511452037. The reversal of 15511452030 is 3025411551.

It is a super-2 number, since 2×15511452030² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15511451985 and 15511452003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15511452037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 459814 + ... + 492393.

It is an arithmetic number, because the mean of its divisors is an integer number (844846548).

Almost surely, 2^15511452030 is an apocalyptic number.

15511452030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15511452030 is an abundant number, since it is smaller than the sum of its proper divisors (25041182274).

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

15511452030 is a wasteful number, since it uses less digits than its factorization.

15511452030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952401 (or 952398 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 15511452030 its reverse (3025411551), we get a palindrome (18536863581).

The spelling of 15511452030 in words is "fifteen billion, five hundred eleven million, four hundred fifty-two thousand, thirty".