1187572245913 has 8 divisors (see below), whose sum is σ = 1194561284480. Its totient is φ = 1180596044880.

The previous prime is 1187572245883. The next prime is 1187572245943. The reversal of 1187572245913 is 3195422757811.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1187572245883) and next prime (1187572245943).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1187572245913 - 2³⁷ = 1050133292441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1187572245943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3023793 + ... + 3393886.

It is an arithmetic number, because the mean of its divisors is an integer number (149320160560).

Almost surely, 2^{1187572245913} is an apocalyptic number.

It is an amenable number.

1187572245913 is a deficient number, since it is larger than the sum of its proper divisors (6989038567).

1187572245913 is an equidigital number, since it uses as much as digits as its factorization.

1187572245913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6418767.

The product of its digits is 4233600, while the sum is 55.

The spelling of 1187572245913 in words is "one trillion, one hundred eighty-seven billion, five hundred seventy-two million, two hundred forty-five thousand, nine hundred thirteen".