1157461987430 has 128 divisors (see below), whose sum is σ = 2540381875200. Its totient is φ = 370877405184.

The previous prime is 1157461987427. The next prime is 1157461987439. The reversal of 1157461987430 is 347891647511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157461987439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52426874 + ... + 52448946.

It is an arithmetic number, because the mean of its divisors is an integer number (19846733400).

Almost surely, 2^{1157461987430} is an apocalyptic number.

1157461987430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157461987430 is an abundant number, since it is smaller than the sum of its proper divisors (1382919887770).

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

1157461987430 is a wasteful number, since it uses less digits than its factorization.

1157461987430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22638.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 1157461987430 in words is "one trillion, one hundred fifty-seven billion, four hundred sixty-one million, nine hundred eighty-seven thousand, four hundred thirty".