1615625041054 has 4 divisors (see below), whose sum is σ = 2423437561584. Its totient is φ = 807812520526.

The previous prime is 1615625041027. The next prime is 1615625041067. The reversal of 1615625041054 is 4501405265161.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1615625041054² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1615625040998 and 1615625041016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403906260262 + ... + 403906260265.

It is an arithmetic number, because the mean of its divisors is an integer number (605859390396).

Almost surely, 2^{1615625041054} is an apocalyptic number.

1615625041054 is a deficient number, since it is larger than the sum of its proper divisors (807812520530).

1615625041054 is an equidigital number, since it uses as much as digits as its factorization.

1615625041054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807812520529.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 1615625041054 in words is "one trillion, six hundred fifteen billion, six hundred twenty-five million, forty-one thousand, fifty-four".