15780087027051 has 8 divisors (see below), whose sum is σ = 21040136484240. Its totient is φ = 10520047793952.

The previous prime is 15780087027037. The next prime is 15780087027167. The reversal of 15780087027051 is 15072078008751.

It is a happy number.

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

It is not a de Polignac number, because 15780087027051 - 2¹³ = 15780087018859 is a prime.

It is a super-2 number, since 2×15780087027051² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15780087026985 and 15780087027003.

It is not an unprimeable number, because it can be changed into a prime (15780087027251) 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, 2440765 + ... + 6125153.

It is an arithmetic number, because the mean of its divisors is an integer number (2630017060530).

Almost surely, 2^{15780087027051} is an apocalyptic number.

15780087027051 is a deficient number, since it is larger than the sum of its proper divisors (5260049457189).

15780087027051 is a wasteful number, since it uses less digits than its factorization.

15780087027051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112045.

The product of its (nonzero) digits is 1097600, while the sum is 51.

The spelling of 15780087027051 in words is "fifteen trillion, seven hundred eighty billion, eighty-seven million, twenty-seven thousand, fifty-one".