1542256077655 has 8 divisors (see below), whose sum is σ = 1869031128384. Its totient is φ = 1221588972000.

The previous prime is 1542256077601. The next prime is 1542256077697. The reversal of 1542256077655 is 5567706522451.

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

It is not a de Polignac number, because 1542256077655 - 2¹⁵ = 1542256044887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1542256077596 and 1542256077605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1526985711 + ... + 1526986720.

It is an arithmetic number, because the mean of its divisors is an integer number (233628891048).

Almost surely, 2^{1542256077655} is an apocalyptic number.

1542256077655 is a deficient number, since it is larger than the sum of its proper divisors (326775050729).

1542256077655 is a wasteful number, since it uses less digits than its factorization.

1542256077655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053972537.

The product of its (nonzero) digits is 17640000, while the sum is 55.

The spelling of 1542256077655 in words is "one trillion, five hundred forty-two billion, two hundred fifty-six million, seventy-seven thousand, six hundred fifty-five".