2487156153861 has 16 divisors (see below), whose sum is σ = 3321998127360. Its totient is φ = 1655210232000.

The previous prime is 2487156153847. The next prime is 2487156153887. The reversal of 2487156153861 is 1683516517842.

It is a happy number.

It is not a de Polignac number, because 2487156153861 - 2²² = 2487151959557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487156053861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9173595 + ... + 9440823.

It is an arithmetic number, because the mean of its divisors is an integer number (207624882960).

Almost surely, 2^{2487156153861} is an apocalyptic number.

It is an amenable number.

2487156153861 is a deficient number, since it is larger than the sum of its proper divisors (834841973499).

2487156153861 is a wasteful number, since it uses less digits than its factorization.

2487156153861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272636.

The product of its digits is 9676800, while the sum is 57.

The spelling of 2487156153861 in words is "two trillion, four hundred eighty-seven billion, one hundred fifty-six million, one hundred fifty-three thousand, eight hundred sixty-one".