1155450551430 has 32 divisors (see below), whose sum is σ = 3169235798784. Its totient is φ = 264102983136.

The previous prime is 1155450551273. The next prime is 1155450551441. The reversal of 1155450551430 is 341550545511.

It is a congruent number.

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, 2751072532 + ... + 2751072951.

It is an arithmetic number, because the mean of its divisors is an integer number (99038618712).

Almost surely, 2^{1155450551430} is an apocalyptic number.

1155450551430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155450551430 is an abundant number, since it is smaller than the sum of its proper divisors (2013785247354).

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

1155450551430 is a wasteful number, since it uses less digits than its factorization.

1155450551430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502145500.

The product of its (nonzero) digits is 150000, while the sum is 39.

The spelling of 1155450551430 in words is "one trillion, one hundred fifty-five billion, four hundred fifty million, five hundred fifty-one thousand, four hundred thirty".