1355420101555 has 32 divisors (see below), whose sum is σ = 1789072201728. Its totient is φ = 979528636800.

The previous prime is 1355420101507. The next prime is 1355420101561. The reversal of 1355420101555 is 5551010245531.

It is not a de Polignac number, because 1355420101555 - 2²⁹ = 1354883230643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42971140 + ... + 43002670.

It is an arithmetic number, because the mean of its divisors is an integer number (55908506304).

Almost surely, 2^{1355420101555} is an apocalyptic number.

1355420101555 is a deficient number, since it is larger than the sum of its proper divisors (433652100173).

1355420101555 is a wasteful number, since it uses less digits than its factorization.

1355420101555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45667.

The product of its (nonzero) digits is 75000, while the sum is 37.

The spelling of 1355420101555 in words is "one trillion, three hundred fifty-five billion, four hundred twenty million, one hundred one thousand, five hundred fifty-five".